Subtract 70/90 from 70/27
1st number: 2 16/27, 2nd number: 70/90
70/27 - 70/90 is 49/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
70/27 = 70 × 10/27 × 10 = 700/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
70/90 = 70 × 3/90 × 3 = 210/270 - Subtract the two like fractions:
700/270 - 210/270 = 700 - 210/270 = 490/270 - After reducing the fraction, the answer is 49/27
- In mixed form: 122/27
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