Subtract 15/4 from 72/98
1st number: 72/98, 2nd number: 3 3/4
72/98 - 15/4 is -591/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
72/98 = 72 × 2/98 × 2 = 144/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
15/4 = 15 × 49/4 × 49 = 735/196 - Subtract the two like fractions:
144/196 - 735/196 = 144 - 735/196 = -591/196
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