Add 70/49 and 14/20
1st number: 1 21/49, 2nd number: 14/20
70/49 + 14/20 is 149/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
70/49 = 70 × 20/49 × 20 = 1400/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
14/20 = 14 × 49/20 × 49 = 686/980 - Add the two like fractions:
1400/980 + 686/980 = 1400 + 686/980 = 2086/980 - 2086/980 simplified gives 149/70
- So, 70/49 + 14/20 = 149/70
In mixed form: 29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/49+28/20 70/98+14/20 70/49+14/40 70/49+42/20 70/49+14/60 70/49+70/20 70/49+98/20