Subtract 16/42 from 80/70
1st number: 1 10/70, 2nd number: 16/42
80/70 - 16/42 is 16/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
16/42 = 16 × 5/42 × 5 = 80/210 - Subtract the two like fractions:
240/210 - 80/210 = 240 - 80/210 = 160/210 - After reducing the fraction, the answer is 16/21
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