Subtract 90/10 from 98/70
1st number: 1 28/70, 2nd number: 9 0/10
98/70 - 90/10 is -38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
98/70 = 98 × 1/70 × 1 = 98/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Subtract the two like fractions:
98/70 - 630/70 = 98 - 630/70 = -532/70 - After reducing the fraction, the answer is -38/5
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