Subtract 42/49 from 18/15
1st number: 1 3/15, 2nd number: 42/49
18/15 - 42/49 is 12/35.
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,
18/15 = 18 × 49/15 × 49 = 882/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
42/49 = 42 × 15/49 × 15 = 630/735 - Subtract the two like fractions:
882/735 - 630/735 = 882 - 630/735 = 252/735 - After reducing the fraction, the answer is 12/35
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