Subtract 20/27 from 70/9
1st number: 7 7/9, 2nd number: 20/27
70/9 - 20/27 is 190/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
70/9 = 70 × 3/9 × 3 = 210/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
20/27 = 20 × 1/27 × 1 = 20/27 - Subtract the two like fractions:
210/27 - 20/27 = 210 - 20/27 = 190/27 - In mixed form: 71/27
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