Subtract 42/9 from 35/90
1st number: 35/90, 2nd number: 4 6/9
35/90 - 42/9 is -77/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
35/90 = 35 × 1/90 × 1 = 35/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Subtract the two like fractions:
35/90 - 420/90 = 35 - 420/90 = -385/90 - After reducing the fraction, the answer is -77/18
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