Subtract 12/63 from 90/49, Solve 1 41/49

Subtract 12/63 from 90/49

1^st number: 1 41/49, 2^nd number: 12/63

90/49 - 12/63 is 242/147.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 49 × 9 = 441,
90/49 = 90 × 9/49 × 9 = 810/441
Likewise, for the 2nd fraction, since 63 × 7 = 441,
12/63 = 12 × 7/63 × 7 = 84/441
Subtract the two like fractions:
810/441 - 84/441 = 810 - 84/441 = 726/441
After reducing the fraction, the answer is 242/147
In mixed form: 195/147

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