Subtract 15/40 from 42/3
1st number: 14 0/3, 2nd number: 15/40
42/3 - 15/40 is 109/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
42/3 = 42 × 40/3 × 40 = 1680/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Subtract the two like fractions:
1680/120 - 45/120 = 1680 - 45/120 = 1635/120 - After reducing the fraction, the answer is 109/8
- In mixed form: 135/8
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