Subtract 90/72 from 1/98
1st number: 1/98, 2nd number: 1 18/72
1/98 - 90/72 is -243/196.
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,
1/98 = 1 × 36/98 × 36 = 36/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
90/72 = 90 × 49/72 × 49 = 4410/3528 - Subtract the two like fractions:
36/3528 - 4410/3528 = 36 - 4410/3528 = -4374/3528 - After reducing the fraction, the answer is -243/196
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