Subtract 28/49 from 42/15
1st number: 2 12/15, 2nd number: 28/49
42/15 - 28/49 is 78/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
42/15 = 42 × 49/15 × 49 = 2058/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
28/49 = 28 × 15/49 × 15 = 420/735 - Subtract the two like fractions:
2058/735 - 420/735 = 2058 - 420/735 = 1638/735 - After reducing the fraction, the answer is 78/35
- In mixed form: 28/35
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