Subtract 70/81 from 60/3
1st number: 20 0/3, 2nd number: 70/81
60/3 - 70/81 is 1550/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
60/3 = 60 × 27/3 × 27 = 1620/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
70/81 = 70 × 1/81 × 1 = 70/81 - Subtract the two like fractions:
1620/81 - 70/81 = 1620 - 70/81 = 1550/81 - In mixed form: 1911/81
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