Subtract 70/49 from 20/48
1st number: 20/48, 2nd number: 1 21/49
20/48 - 70/49 is -85/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 49 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 48 × 49 = 2352,
20/48 = 20 × 49/48 × 49 = 980/2352 - Likewise, for the 2nd fraction, since 49 × 48 = 2352,
70/49 = 70 × 48/49 × 48 = 3360/2352 - Subtract the two like fractions:
980/2352 - 3360/2352 = 980 - 3360/2352 = -2380/2352 - After reducing the fraction, the answer is -85/84
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