Subtract 70/75 from 21/98
21/98 - 70/75 is -151/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 75 is 7350
Next, find the equivalent fraction of both fractional numbers with denominator 7350 - For the 1st fraction, since 98 × 75 = 7350,
21/98 = 21 × 75/98 × 75 = 1575/7350 - Likewise, for the 2nd fraction, since 75 × 98 = 7350,
70/75 = 70 × 98/75 × 98 = 6860/7350 - Subtract the two like fractions:
1575/7350 - 6860/7350 = 1575 - 6860/7350 = -5285/7350 - After reducing the fraction, the answer is -151/210
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