Add 14/7 and 25/20
1st number: 2 0/7, 2nd number: 1 5/20
14/7 + 25/20 is 13/4.
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,
14/7 = 14 × 20/7 × 20 = 280/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Add the two like fractions:
280/140 + 175/140 = 280 + 175/140 = 455/140 - 455/140 simplified gives 13/4
- So, 14/7 + 25/20 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7+25/20 14/7+50/20 14/7+25/40 42/7+25/20 14/7+75/20 14/21+25/20 14/7+25/60 70/7+25/20 14/35+25/20 98/7+25/20 14/49+25/20