Subtract 70/72 from 10/49
10/49 - 70/72 is -1355/1764.
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,
10/49 = 10 × 72/49 × 72 = 720/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
70/72 = 70 × 49/72 × 49 = 3430/3528 - Subtract the two like fractions:
720/3528 - 3430/3528 = 720 - 3430/3528 = -2710/3528 - After reducing the fraction, the answer is -1355/1764
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