Subtract 72/49 from 5/20
1st number: 5/20, 2nd number: 1 23/49
5/20 - 72/49 is -239/196.
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,
5/20 = 5 × 49/20 × 49 = 245/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
72/49 = 72 × 20/49 × 20 = 1440/980 - Subtract the two like fractions:
245/980 - 1440/980 = 245 - 1440/980 = -1195/980 - After reducing the fraction, the answer is -239/196
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