Subtract 70/28 from 70/45
1st number: 1 25/45, 2nd number: 2 14/28
70/45 - 70/28 is -17/18.
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,
70/45 = 70 × 28/45 × 28 = 1960/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Subtract the two like fractions:
1960/1260 - 3150/1260 = 1960 - 3150/1260 = -1190/1260 - After reducing the fraction, the answer is -17/18
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