Subtract 21/32 from 42/18
1st number: 2 6/18, 2nd number: 21/32
42/18 - 21/32 is 161/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
42/18 = 42 × 16/18 × 16 = 672/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Subtract the two like fractions:
672/288 - 189/288 = 672 - 189/288 = 483/288 - After reducing the fraction, the answer is 161/96
- In mixed form: 165/96
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