Subtract 15/80 from 45/25
1st number: 1 20/25, 2nd number: 15/80
45/25 - 15/80 is 129/80.
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,
45/25 = 45 × 16/25 × 16 = 720/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
15/80 = 15 × 5/80 × 5 = 75/400 - Subtract the two like fractions:
720/400 - 75/400 = 720 - 75/400 = 645/400 - After reducing the fraction, the answer is 129/80
- In mixed form: 149/80
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