Subtract 4/80 from 72/54
1st number: 1 18/54, 2nd number: 4/80
72/54 - 4/80 is 77/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
72/54 = 72 × 40/54 × 40 = 2880/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
4/80 = 4 × 27/80 × 27 = 108/2160 - Subtract the two like fractions:
2880/2160 - 108/2160 = 2880 - 108/2160 = 2772/2160 - After reducing the fraction, the answer is 77/60
- In mixed form: 117/60
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