Subtract 70/7 from 72/98
1st number: 72/98, 2nd number: 10 0/7
72/98 - 70/7 is -454/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 7 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 98 × 1 = 98,
72/98 = 72 × 1/98 × 1 = 72/98 - Likewise, for the 2nd fraction, since 7 × 14 = 98,
70/7 = 70 × 14/7 × 14 = 980/98 - Subtract the two like fractions:
72/98 - 980/98 = 72 - 980/98 = -908/98 - After reducing the fraction, the answer is -454/49
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