Subtract 3/25 from 21/20
1st number: 1 1/20, 2nd number: 3/25
21/20 - 3/25 is 93/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
21/20 = 21 × 5/20 × 5 = 105/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
3/25 = 3 × 4/25 × 4 = 12/100 - Subtract the two like fractions:
105/100 - 12/100 = 105 - 12/100 = 93/100
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