Subtract 1/42 from 70/50
1st number: 1 20/50, 2nd number: 1/42
70/50 - 1/42 is 289/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
70/50 = 70 × 21/50 × 21 = 1470/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
1/42 = 1 × 25/42 × 25 = 25/1050 - Subtract the two like fractions:
1470/1050 - 25/1050 = 1470 - 25/1050 = 1445/1050 - After reducing the fraction, the answer is 289/210
- In mixed form: 179/210
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