Subtract 4/18 from 72/5
1st number: 14 2/5, 2nd number: 4/18
72/5 - 4/18 is 638/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
72/5 = 72 × 18/5 × 18 = 1296/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Subtract the two like fractions:
1296/90 - 20/90 = 1296 - 20/90 = 1276/90 - After reducing the fraction, the answer is 638/45
- In mixed form: 148/45
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