Subtract 90/49 from 21/75
1st number: 21/75, 2nd number: 1 41/49
21/75 - 90/49 is -1907/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
21/75 = 21 × 49/75 × 49 = 1029/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
90/49 = 90 × 75/49 × 75 = 6750/3675 - Subtract the two like fractions:
1029/3675 - 6750/3675 = 1029 - 6750/3675 = -5721/3675 - After reducing the fraction, the answer is -1907/1225
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