Subtract 42/49 from 90/15
1st number: 6 0/15, 2nd number: 42/49
90/15 - 42/49 is 36/7.
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,
90/15 = 90 × 49/15 × 49 = 4410/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
42/49 = 42 × 15/49 × 15 = 630/735 - Subtract the two like fractions:
4410/735 - 630/735 = 4410 - 630/735 = 3780/735 - After reducing the fraction, the answer is 36/7
- In mixed form: 51/7
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