Subtract 40/98 from 90/63, Solve 1 27/63

Subtract 40/98 from 90/63

1^st number: 1 27/63, 2^nd number: 40/98

90/63 - 40/98 is 50/49.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 98 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 63 × 14 = 882,
90/63 = 90 × 14/63 × 14 = 1260/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
40/98 = 40 × 9/98 × 9 = 360/882
Subtract the two like fractions:
1260/882 - 360/882 = 1260 - 360/882 = 900/882
After reducing the fraction, the answer is 50/49
In mixed form: 11/49

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