Subtract 70/80 from 42/25
1st number: 1 17/25, 2nd number: 70/80
42/25 - 70/80 is 161/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
42/25 = 42 × 16/25 × 16 = 672/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
70/80 = 70 × 5/80 × 5 = 350/400 - Subtract the two like fractions:
672/400 - 350/400 = 672 - 350/400 = 322/400 - After reducing the fraction, the answer is 161/200
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