Subtract 12/16 from 45/25
1st number: 1 20/25, 2nd number: 12/16
45/25 - 12/16 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 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 16 × 25 = 400,
12/16 = 12 × 25/16 × 25 = 300/400 - Subtract the two like fractions:
720/400 - 300/400 = 720 - 300/400 = 420/400 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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