Add 25/70 and 20/7
1st number: 25/70, 2nd number: 2 6/7
25/70 + 20/7 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
25/70 = 25 × 1/70 × 1 = 25/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Add the two like fractions:
25/70 + 200/70 = 25 + 200/70 = 225/70 - 225/70 simplified gives 45/14
- So, 25/70 + 20/7 = 45/14
In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+20/7 25/70+40/7 25/70+20/14 75/70+20/7 25/70+60/7 25/70+20/21 25/70+20/35 25/70+20/49