Subtract 42/63 from 10/5, Solve 2 0/5

Subtract 42/63 from 10/5

1^st number: 2 0/5, 2^nd number: 42/63

10/5 - 42/63 is 4/3.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 5 × 63 = 315,
10/5 = 10 × 63/5 × 63 = 630/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315
Subtract the two like fractions:
630/315 - 210/315 = 630 - 210/315 = 420/315
After reducing the fraction, the answer is 4/3
In mixed form: 11/3

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