Subtract 20/70 from 81/25
1st number: 3 6/25, 2nd number: 20/70
81/25 - 20/70 is 517/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
81/25 = 81 × 14/25 × 14 = 1134/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
20/70 = 20 × 5/70 × 5 = 100/350 - Subtract the two like fractions:
1134/350 - 100/350 = 1134 - 100/350 = 1034/350 - After reducing the fraction, the answer is 517/175
- In mixed form: 2167/175
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