Subtract 40/42 from 70/50
1st number: 1 20/50, 2nd number: 40/42
70/50 - 40/42 is 47/105.
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,
40/42 = 40 × 25/42 × 25 = 1000/1050 - Subtract the two like fractions:
1470/1050 - 1000/1050 = 1470 - 1000/1050 = 470/1050 - After reducing the fraction, the answer is 47/105
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