Subtract 10/81 from 70/60
1st number: 1 10/60, 2nd number: 10/81
70/60 - 10/81 is 169/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
70/60 = 70 × 27/60 × 27 = 1890/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
10/81 = 10 × 20/81 × 20 = 200/1620 - Subtract the two like fractions:
1890/1620 - 200/1620 = 1890 - 200/1620 = 1690/1620 - After reducing the fraction, the answer is 169/162
- In mixed form: 17/162
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