Subtract 72/49 from 3/15
1st number: 3/15, 2nd number: 1 23/49
3/15 - 72/49 is -311/245.
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,
3/15 = 3 × 49/15 × 49 = 147/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
72/49 = 72 × 15/49 × 15 = 1080/735 - Subtract the two like fractions:
147/735 - 1080/735 = 147 - 1080/735 = -933/735 - After reducing the fraction, the answer is -311/245
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