Subtract 42/49 from 35/15
1st number: 2 5/15, 2nd number: 42/49
35/15 - 42/49 is 31/21.
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,
35/15 = 35 × 49/15 × 49 = 1715/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
42/49 = 42 × 15/49 × 15 = 630/735 - Subtract the two like fractions:
1715/735 - 630/735 = 1715 - 630/735 = 1085/735 - After reducing the fraction, the answer is 31/21
- In mixed form: 110/21
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