Subtract 15/42 from 42/32
1st number: 1 10/32, 2nd number: 15/42
42/32 - 15/42 is 107/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
42/32 = 42 × 21/32 × 21 = 882/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
15/42 = 15 × 16/42 × 16 = 240/672 - Subtract the two like fractions:
882/672 - 240/672 = 882 - 240/672 = 642/672 - After reducing the fraction, the answer is 107/112
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