Subtract 40/98 from 42/72
42/72 - 40/98 is 103/588.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
42/72 = 42 × 49/72 × 49 = 2058/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
40/98 = 40 × 36/98 × 36 = 1440/3528 - Subtract the two like fractions:
2058/3528 - 1440/3528 = 2058 - 1440/3528 = 618/3528 - After reducing the fraction, the answer is 103/588
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