Subtract 70/10 from 9/90
1st number: 9/90, 2nd number: 7 0/10
9/90 - 70/10 is -69/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Subtract the two like fractions:
9/90 - 630/90 = 9 - 630/90 = -621/90 - After reducing the fraction, the answer is -69/10
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