Subtract 9/24 from 81/45
1st number: 1 36/45, 2nd number: 9/24
81/45 - 9/24 is 57/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
81/45 = 81 × 8/45 × 8 = 648/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
9/24 = 9 × 15/24 × 15 = 135/360 - Subtract the two like fractions:
648/360 - 135/360 = 648 - 135/360 = 513/360 - After reducing the fraction, the answer is 57/40
- In mixed form: 117/40
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