Subtract 20/84 from 75/4
1st number: 18 3/4, 2nd number: 20/84
75/4 - 20/84 is 1555/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
75/4 = 75 × 21/4 × 21 = 1575/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
1575/84 - 20/84 = 1575 - 20/84 = 1555/84 - In mixed form: 1843/84
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