Subtract 42/32 from 90/42, Solve 2 6/42

Subtract 42/32 from 90/42

1^st number: 2 6/42, 2^nd number: 1 10/32

90/42 - 42/32 is 93/112.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 42 × 16 = 672,
90/42 = 90 × 16/42 × 16 = 1440/672
Likewise, for the 2nd fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672
Subtract the two like fractions:
1440/672 - 882/672 = 1440 - 882/672 = 558/672
After reducing the fraction, the answer is 93/112

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