Subtract 30/28 from 5/70
1st number: 5/70, 2nd number: 1 2/28
5/70 - 30/28 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Subtract the two like fractions:
10/140 - 150/140 = 10 - 150/140 = -140/140 - After reducing the fraction, the answer is -1/1
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