Subtract 75/4 from 2/21
1st number: 2/21, 2nd number: 18 3/4
2/21 - 75/4 is -1567/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
75/4 = 75 × 21/4 × 21 = 1575/84 - Subtract the two like fractions:
8/84 - 1575/84 = 8 - 1575/84 = -1567/84
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