Add 20/7 and 25/8
1st number: 2 6/7, 2nd number: 3 1/8
20/7 + 25/8 is 335/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
20/7 = 20 × 8/7 × 8 = 160/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
25/8 = 25 × 7/8 × 7 = 175/56 - Add the two like fractions:
160/56 + 175/56 = 160 + 175/56 = 335/56 - So, 20/7 + 25/8 = 335/56
In mixed form: 555/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+25/8 20/7+50/8 20/14+25/8 20/7+25/16 60/7+25/8 20/7+75/8 20/21+25/8 20/7+25/24 20/35+25/8 20/7+25/40 20/49+25/8 20/7+25/56