Subtract 14/45 from 81/20
1st number: 4 1/20, 2nd number: 14/45
81/20 - 14/45 is 673/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
81/20 = 81 × 9/20 × 9 = 729/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
14/45 = 14 × 4/45 × 4 = 56/180 - Subtract the two like fractions:
729/180 - 56/180 = 729 - 56/180 = 673/180 - In mixed form: 3133/180
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