Subtract 45/63 from 21/4
1st number: 5 1/4, 2nd number: 45/63
21/4 - 45/63 is 127/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
21/4 = 21 × 63/4 × 63 = 1323/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Subtract the two like fractions:
1323/252 - 180/252 = 1323 - 180/252 = 1143/252 - After reducing the fraction, the answer is 127/28
- In mixed form: 415/28
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