Subtract 18/3 from 28/70
1st number: 28/70, 2nd number: 6 0/3
28/70 - 18/3 is -28/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
18/3 = 18 × 70/3 × 70 = 1260/210 - Subtract the two like fractions:
84/210 - 1260/210 = 84 - 1260/210 = -1176/210 - After reducing the fraction, the answer is -28/5
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