Add 7/14 and 20/70
7/14 + 20/70 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
7/14 = 7 × 5/14 × 5 = 35/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
35/70 + 20/70 = 35 + 20/70 = 55/70 - 55/70 simplified gives 11/14
- So, 7/14 + 20/70 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14+40/70 7/28+20/70 21/14+20/70 7/14+60/70 7/42+20/70 35/14+20/70 7/70+20/70 49/14+20/70 7/98+20/70