Subtract 20/70 from 40/2
1st number: 20 0/2, 2nd number: 20/70
40/2 - 20/70 is 138/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
40/2 = 40 × 35/2 × 35 = 1400/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
1400/70 - 20/70 = 1400 - 20/70 = 1380/70 - After reducing the fraction, the answer is 138/7
- In mixed form: 195/7
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