Subtract 70/28 from 28/45
1st number: 28/45, 2nd number: 2 14/28
28/45 - 70/28 is -169/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
28/45 = 28 × 28/45 × 28 = 784/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Subtract the two like fractions:
784/1260 - 3150/1260 = 784 - 3150/1260 = -2366/1260 - After reducing the fraction, the answer is -169/90
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