Subtract 16/49 from 42/20
1st number: 2 2/20, 2nd number: 16/49
42/20 - 16/49 is 869/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
42/20 = 42 × 49/20 × 49 = 2058/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
16/49 = 16 × 20/49 × 20 = 320/980 - Subtract the two like fractions:
2058/980 - 320/980 = 2058 - 320/980 = 1738/980 - After reducing the fraction, the answer is 869/490
- In mixed form: 1379/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-16/49 42/20-32/49 42/40-16/49 42/20-16/98 42/20-48/49 42/60-16/49 42/20-80/49