Subtract 20/42 from 70/24
1st number: 2 22/24, 2nd number: 20/42
70/24 - 20/42 is 205/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
70/24 = 70 × 7/24 × 7 = 490/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
20/42 = 20 × 4/42 × 4 = 80/168 - Subtract the two like fractions:
490/168 - 80/168 = 490 - 80/168 = 410/168 - After reducing the fraction, the answer is 205/84
- In mixed form: 237/84
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