Subtract 16/63 from 70/40, Solve 1 30/40

Subtract 16/63 from 70/40

1^st number: 1 30/40, 2^nd number: 16/63

70/40 - 16/63 is 377/252.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
70/40 = 70 × 63/40 × 63 = 4410/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
16/63 = 16 × 40/63 × 40 = 640/2520
Subtract the two like fractions:
4410/2520 - 640/2520 = 4410 - 640/2520 = 3770/2520
After reducing the fraction, the answer is 377/252
In mixed form: 1125/252

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