Subtract 42/90 from 90/10
1st number: 9 0/10, 2nd number: 42/90
90/10 - 42/90 is 128/15.
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,
90/10 = 90 × 9/10 × 9 = 810/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Subtract the two like fractions:
810/90 - 42/90 = 810 - 42/90 = 768/90 - After reducing the fraction, the answer is 128/15
- In mixed form: 88/15
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