Add 2/7 and 25/20
1st number: 2/7, 2nd number: 1 5/20
2/7 + 25/20 is 43/28.
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,
2/7 = 2 × 20/7 × 20 = 40/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Add the two like fractions:
40/140 + 175/140 = 40 + 175/140 = 215/140 - 215/140 simplified gives 43/28
- So, 2/7 + 25/20 = 43/28
In mixed form: 115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+25/20 2/7+50/20 2/14+25/20 2/7+25/40 6/7+25/20 2/7+75/20 2/21+25/20 2/7+25/60 10/7+25/20 2/35+25/20 14/7+25/20 2/49+25/20