Subtract 3/20 from 72/4
1st number: 18 0/4, 2nd number: 3/20
72/4 - 3/20 is 357/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
72/4 = 72 × 5/4 × 5 = 360/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
3/20 = 3 × 1/20 × 1 = 3/20 - Subtract the two like fractions:
360/20 - 3/20 = 360 - 3/20 = 357/20 - In mixed form: 1717/20
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