Issolvi 31/5:0,4/3:21/2-1/15

$$\frac { 3 \frac { 1 } { 5 } : 0,4 } { 3 } : 2 \frac { 1 } { 2 } - \frac { 1 } { 15 }$$

Evalwa

$$1$$

Passi tas-Soluzzjonijiet

Iddividi \frac{\frac{\frac{3\times 5+1}{5}}{0.4}}{3} b'\frac{2\times 2+1}{2} billi timmultiplika \frac{\frac{\frac{3\times 5+1}{5}}{0.4}}{3} bir-reċiproku ta' \frac{2\times 2+1}{2}.

$$\frac{\frac{\frac{3\times 5+1}{5}}{0.4}\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Esprimi \frac{\frac{3\times 5+1}{5}}{0.4} bħala frazzjoni waħda.

$$\frac{\frac{3\times 5+1}{5\times 0.4}\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Immultiplika 3 u 5 biex tikseb 15.

$$\frac{\frac{15+1}{5\times 0.4}\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Żid 15 u 1 biex tikseb 16.

$$\frac{\frac{16}{5\times 0.4}\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Immultiplika 5 u 0.4 biex tikseb 2.

$$\frac{\frac{16}{2}\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Iddividi 16 b'2 biex tikseb8.

$$\frac{8\times 2}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Immultiplika 8 u 2 biex tikseb 16.

$$\frac{16}{3\left(2\times 2+1\right)}-\frac{1}{15}$$

Immultiplika 2 u 2 biex tikseb 4.

$$\frac{16}{3\left(4+1\right)}-\frac{1}{15}$$

Żid 4 u 1 biex tikseb 5.

$$\frac{16}{3\times 5}-\frac{1}{15}$$

Immultiplika 3 u 5 biex tikseb 15.

$$\frac{16}{15}-\frac{1}{15}$$

Billi \frac{16}{15} u \frac{1}{15} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{16-1}{15}$$

Naqqas 1 minn 16 biex tikseb 15.

$$\frac{15}{15}$$

Iddividi 15 b'15 biex tikseb1.

$$1$$

Fattur

$$1$$