Subtract 5/16 from 45/20
1st number: 2 5/20, 2nd number: 5/16
45/20 - 5/16 is 31/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
45/20 = 45 × 4/20 × 4 = 180/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
5/16 = 5 × 5/16 × 5 = 25/80 - Subtract the two like fractions:
180/80 - 25/80 = 180 - 25/80 = 155/80 - After reducing the fraction, the answer is 31/16
- In mixed form: 115/16
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