Subtract 15/70 from 40/12
1st number: 3 4/12, 2nd number: 15/70
40/12 - 15/70 is 131/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
40/12 = 40 × 35/12 × 35 = 1400/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
15/70 = 15 × 6/70 × 6 = 90/420 - Subtract the two like fractions:
1400/420 - 90/420 = 1400 - 90/420 = 1310/420 - After reducing the fraction, the answer is 131/42
- In mixed form: 35/42
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