Subtract 8/90 from 7/10
7/10 - 8/90 is 11/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Subtract the two like fractions:
63/90 - 8/90 = 63 - 8/90 = 55/90 - After reducing the fraction, the answer is 11/18
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