Subtract 12/10 from 3/40
1st number: 3/40, 2nd number: 1 2/10
3/40 - 12/10 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
12/10 = 12 × 4/10 × 4 = 48/40 - Subtract the two like fractions:
3/40 - 48/40 = 3 - 48/40 = -45/40 - After reducing the fraction, the answer is -9/8
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