Subtract 3/42 from 40/32
1st number: 1 8/32, 2nd number: 3/42
40/32 - 3/42 is 33/28.
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,
40/32 = 40 × 21/32 × 21 = 840/672 - Likewise, for the 2nd fraction, since 42 × 16 = 672,
3/42 = 3 × 16/42 × 16 = 48/672 - Subtract the two like fractions:
840/672 - 48/672 = 840 - 48/672 = 792/672 - After reducing the fraction, the answer is 33/28
- In mixed form: 15/28
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