Subtract 3/49 from 42/72
42/72 - 3/49 is 307/588.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 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 49 × 72 = 3528,
3/49 = 3 × 72/49 × 72 = 216/3528 - Subtract the two like fractions:
2058/3528 - 216/3528 = 2058 - 216/3528 = 1842/3528 - After reducing the fraction, the answer is 307/588
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