Subtract 9/98 from 42/27, Solve 1 15/27

Subtract 9/98 from 42/27

1^st number: 1 15/27, 2^nd number: 9/98

42/27 - 9/98 is 1291/882.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 27 × 98 = 2646,
42/27 = 42 × 98/27 × 98 = 4116/2646
Likewise, for the 2nd fraction, since 98 × 27 = 2646,
9/98 = 9 × 27/98 × 27 = 243/2646
Subtract the two like fractions:
4116/2646 - 243/2646 = 4116 - 243/2646 = 3873/2646
After reducing the fraction, the answer is 1291/882
In mixed form: 1409/882

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