Add 20/14 and 20/40
1st number: 1 6/14, 2nd number: 20/40
20/14 + 20/40 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
20/14 = 20 × 20/14 × 20 = 400/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
20/40 = 20 × 7/40 × 7 = 140/280 - Add the two like fractions:
400/280 + 140/280 = 400 + 140/280 = 540/280 - 540/280 simplified gives 27/14
- So, 20/14 + 20/40 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+20/40 20/28+20/40 20/14+20/80 60/14+20/40 20/14+60/40 20/42+20/40 20/70+20/40 20/98+20/40