Subtract 70/42 from 16/28
1st number: 16/28, 2nd number: 1 28/42
16/28 - 70/42 is -23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
16/28 = 16 × 3/28 × 3 = 48/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Subtract the two like fractions:
48/84 - 140/84 = 48 - 140/84 = -92/84 - After reducing the fraction, the answer is -23/21
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