Subtract 20/54 from 7/5
1st number: 1 2/5, 2nd number: 20/54
7/5 - 20/54 is 139/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
7/5 = 7 × 54/5 × 54 = 378/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Subtract the two like fractions:
378/270 - 100/270 = 378 - 100/270 = 278/270 - After reducing the fraction, the answer is 139/135
- In mixed form: 14/135
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