Subtract 2/18 from 81/8
1st number: 10 1/8, 2nd number: 2/18
81/8 - 2/18 is 721/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
81/8 = 81 × 9/8 × 9 = 729/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
2/18 = 2 × 4/18 × 4 = 8/72 - Subtract the two like fractions:
729/72 - 8/72 = 729 - 8/72 = 721/72 - In mixed form: 101/72
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