Subtract 72/75 from 21/4
1st number: 5 1/4, 2nd number: 72/75
21/4 - 72/75 is 429/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 4 × 75 = 300,
21/4 = 21 × 75/4 × 75 = 1575/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
72/75 = 72 × 4/75 × 4 = 288/300 - Subtract the two like fractions:
1575/300 - 288/300 = 1575 - 288/300 = 1287/300 - After reducing the fraction, the answer is 429/100
- In mixed form: 429/100
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