Subtract 2/18 from 70/42
1st number: 1 28/42, 2nd number: 2/18
70/42 - 2/18 is 14/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
70/42 = 70 × 3/42 × 3 = 210/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
2/18 = 2 × 7/18 × 7 = 14/126 - Subtract the two like fractions:
210/126 - 14/126 = 210 - 14/126 = 196/126 - After reducing the fraction, the answer is 14/9
- In mixed form: 15/9
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