Subtract 7/40 from 32/10
1st number: 3 2/10, 2nd number: 7/40
32/10 - 7/40 is 121/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
32/10 = 32 × 4/10 × 4 = 128/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
7/40 = 7 × 1/40 × 1 = 7/40 - Subtract the two like fractions:
128/40 - 7/40 = 128 - 7/40 = 121/40 - In mixed form: 31/40
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