Subtract 21/32 from 42/5
1st number: 8 2/5, 2nd number: 21/32
42/5 - 21/32 is 1239/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
42/5 = 42 × 32/5 × 32 = 1344/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Subtract the two like fractions:
1344/160 - 105/160 = 1344 - 105/160 = 1239/160 - In mixed form: 7119/160
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