Subtract 30/27 from 81/24
1st number: 3 9/24, 2nd number: 1 3/27
81/24 - 30/27 is 163/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
81/24 = 81 × 9/24 × 9 = 729/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
30/27 = 30 × 8/27 × 8 = 240/216 - Subtract the two like fractions:
729/216 - 240/216 = 729 - 240/216 = 489/216 - After reducing the fraction, the answer is 163/72
- In mixed form: 219/72
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