Subtract 40/90 from 70/28
1st number: 2 14/28, 2nd number: 40/90
70/28 - 40/90 is 37/18.
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,
40/90 = 40 × 14/90 × 14 = 560/1260 - Subtract the two like fractions:
3150/1260 - 560/1260 = 3150 - 560/1260 = 2590/1260 - After reducing the fraction, the answer is 37/18
- In mixed form: 21/18
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