Subtract 72/30 from 20/49
1st number: 20/49, 2nd number: 2 12/30
20/49 - 72/30 is -488/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
20/49 = 20 × 30/49 × 30 = 600/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
72/30 = 72 × 49/30 × 49 = 3528/1470 - Subtract the two like fractions:
600/1470 - 3528/1470 = 600 - 3528/1470 = -2928/1470 - After reducing the fraction, the answer is -488/245
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