Subtract 42/32 from 21/3
1st number: 7 0/3, 2nd number: 1 10/32
21/3 - 42/32 is 91/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 3 × 32 = 96,
21/3 = 21 × 32/3 × 32 = 672/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
42/32 = 42 × 3/32 × 3 = 126/96 - Subtract the two like fractions:
672/96 - 126/96 = 672 - 126/96 = 546/96 - After reducing the fraction, the answer is 91/16
- In mixed form: 511/16
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