Subtract 21/75 from 21/2
1st number: 10 1/2, 2nd number: 21/75
21/2 - 21/75 is 511/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
21/2 = 21 × 75/2 × 75 = 1575/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Subtract the two like fractions:
1575/150 - 42/150 = 1575 - 42/150 = 1533/150 - After reducing the fraction, the answer is 511/50
- In mixed form: 1011/50
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