Subtract 5/63 from 50/42, Solve 1 8/42

Subtract 5/63 from 50/42

1^st number: 1 8/42, 2^nd number: 5/63

50/42 - 5/63 is 10/9.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
50/42 = 50 × 3/42 × 3 = 150/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
5/63 = 5 × 2/63 × 2 = 10/126
Subtract the two like fractions:
150/126 - 10/126 = 150 - 10/126 = 140/126
After reducing the fraction, the answer is 10/9
In mixed form: 11/9

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