Question
Find the difference:
$2\frac{3}{10}-1\frac{7}{15}$
$2\frac{3}{10}-1\frac{7}{15}$
✓
Answer
$2\frac{3}{10}-1\frac{7}{15}$
$=\frac{23}{10}-\frac{22}{15}$
L.C.M of 10 and 15 = (2 × 3 × 5) = 30
$=\frac{(69-44)}{30}$
$=\frac{25}{30}$
$=\frac{5}{6}$
$\Big(\frac{30}{10}=3,3\times23=69\Big)$
and $\Big(\frac{30}{15}=2,2\times22=44\Big)$
$=\frac{23}{10}-\frac{22}{15}$
L.C.M of 10 and 15 = (2 × 3 × 5) = 30
$=\frac{(69-44)}{30}$
$=\frac{25}{30}$
$=\frac{5}{6}$
$\Big(\frac{30}{10}=3,3\times23=69\Big)$
and $\Big(\frac{30}{15}=2,2\times22=44\Big)$
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