Subtract 42/35 from 90/25
1st number: 3 15/25, 2nd number: 1 7/35
90/25 - 42/35 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
90/25 = 90 × 7/25 × 7 = 630/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
42/35 = 42 × 5/35 × 5 = 210/175 - Subtract the two like fractions:
630/175 - 210/175 = 630 - 210/175 = 420/175 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
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