Subtract 28/72 from 45/49
45/49 - 28/72 is 467/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
45/49 = 45 × 72/49 × 72 = 3240/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
28/72 = 28 × 49/72 × 49 = 1372/3528 - Subtract the two like fractions:
3240/3528 - 1372/3528 = 3240 - 1372/3528 = 1868/3528 - After reducing the fraction, the answer is 467/882
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