Subtract 9/30 from 42/32
1st number: 1 10/32, 2nd number: 9/30
42/32 - 9/30 is 81/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 30 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 32 × 15 = 480,
42/32 = 42 × 15/32 × 15 = 630/480 - Likewise, for the 2nd fraction, since 30 × 16 = 480,
9/30 = 9 × 16/30 × 16 = 144/480 - Subtract the two like fractions:
630/480 - 144/480 = 630 - 144/480 = 486/480 - After reducing the fraction, the answer is 81/80
- In mixed form: 11/80
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