Subtract 2/45 from 81/12
1st number: 6 9/12, 2nd number: 2/45
81/12 - 2/45 is 1207/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
81/12 = 81 × 15/12 × 15 = 1215/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Subtract the two like fractions:
1215/180 - 8/180 = 1215 - 8/180 = 1207/180 - In mixed form: 6127/180
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