Add 20/14 and 20/4
1st number: 1 6/14, 2nd number: 5 0/4
20/14 + 20/4 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
20/14 = 20 × 2/14 × 2 = 40/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Add the two like fractions:
40/28 + 140/28 = 40 + 140/28 = 180/28 - 180/28 simplified gives 45/7
- So, 20/14 + 20/4 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+20/4 20/14+40/4 20/28+20/4 20/14+20/8 60/14+20/4 20/14+60/4 20/42+20/4 20/14+20/12 20/70+20/4 20/98+20/4 20/14+20/28