Add 20/4 and 2/7
1st number: 5 0/4, 2nd number: 2/7
20/4 + 2/7 is 37/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
2/7 = 2 × 4/7 × 4 = 8/28 - Add the two like fractions:
140/28 + 8/28 = 140 + 8/28 = 148/28 - 148/28 simplified gives 37/7
- So, 20/4 + 2/7 = 37/7
In mixed form: 52/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+2/7 20/4+4/7 20/8+2/7 20/4+2/14 60/4+2/7 20/4+6/7 20/12+2/7 20/4+2/21 20/4+10/7 20/4+2/35 20/4+14/7 20/28+2/7 20/4+2/49