Subtract 27/90 from 70/28
1st number: 2 14/28, 2nd number: 27/90
70/28 - 27/90 is 11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
27/90 = 27 × 14/90 × 14 = 378/1260 - Subtract the two like fractions:
3150/1260 - 378/1260 = 3150 - 378/1260 = 2772/1260 - After reducing the fraction, the answer is 11/5
- In mixed form: 21/5
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