Subtract 54/72 from 15/98
15/98 - 54/72 is -117/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
15/98 = 15 × 36/98 × 36 = 540/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
54/72 = 54 × 49/72 × 49 = 2646/3528 - Subtract the two like fractions:
540/3528 - 2646/3528 = 540 - 2646/3528 = -2106/3528 - After reducing the fraction, the answer is -117/196
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