Subtract 80/42 from 27/4
1st number: 6 3/4, 2nd number: 1 38/42
27/4 - 80/42 is 407/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
27/4 = 27 × 21/4 × 21 = 567/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
80/42 = 80 × 2/42 × 2 = 160/84 - Subtract the two like fractions:
567/84 - 160/84 = 567 - 160/84 = 407/84 - In mixed form: 471/84
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