Subtract 32/42 from 20/2
1st number: 10 0/2, 2nd number: 32/42
20/2 - 32/42 is 194/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
20/2 = 20 × 21/2 × 21 = 420/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
32/42 = 32 × 1/42 × 1 = 32/42 - Subtract the two like fractions:
420/42 - 32/42 = 420 - 32/42 = 388/42 - After reducing the fraction, the answer is 194/21
- In mixed form: 95/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-32/42 20/2-64/42 20/4-32/42 20/2-32/84 60/2-32/42 20/2-96/42 20/6-32/42 20/10-32/42 20/14-32/42