Add 28/7 and 24/20
1st number: 4 0/7, 2nd number: 1 4/20
28/7 + 24/20 is 26/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
28/7 = 28 × 20/7 × 20 = 560/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
24/20 = 24 × 7/20 × 7 = 168/140 - Add the two like fractions:
560/140 + 168/140 = 560 + 168/140 = 728/140 - 728/140 simplified gives 26/5
- So, 28/7 + 24/20 = 26/5
In mixed form: 51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+24/20 28/7+48/20 28/14+24/20 28/7+24/40 84/7+24/20 28/7+72/20 28/21+24/20 28/7+24/60 28/35+24/20 28/49+24/20