Subtract 45/48 from 21/4
1st number: 5 1/4, 2nd number: 45/48
21/4 - 45/48 is 69/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 4 × 12 = 48,
21/4 = 21 × 12/4 × 12 = 252/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
45/48 = 45 × 1/48 × 1 = 45/48 - Subtract the two like fractions:
252/48 - 45/48 = 252 - 45/48 = 207/48 - After reducing the fraction, the answer is 69/16
- In mixed form: 45/16
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