Subtract 21/25 from 7/2
1st number: 3 1/2, 2nd number: 21/25
7/2 - 21/25 is 133/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
7/2 = 7 × 25/2 × 25 = 175/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
21/25 = 21 × 2/25 × 2 = 42/50 - Subtract the two like fractions:
175/50 - 42/50 = 175 - 42/50 = 133/50 - In mixed form: 233/50
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