Subtract 72/40 from 27/4
1st number: 6 3/4, 2nd number: 1 32/40
27/4 - 72/40 is 99/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
27/4 = 27 × 10/4 × 10 = 270/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Subtract the two like fractions:
270/40 - 72/40 = 270 - 72/40 = 198/40 - After reducing the fraction, the answer is 99/20
- In mixed form: 419/20
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