Subtract 72/49 from 2/20
1st number: 2/20, 2nd number: 1 23/49
2/20 - 72/49 is -671/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
2/20 = 2 × 49/20 × 49 = 98/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
72/49 = 72 × 20/49 × 20 = 1440/980 - Subtract the two like fractions:
98/980 - 1440/980 = 98 - 1440/980 = -1342/980 - After reducing the fraction, the answer is -671/490
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