Add 2/20 and 70/49
1st number: 2/20, 2nd number: 1 21/49
2/20 + 70/49 is 107/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
2/20 = 2 × 49/20 × 49 = 98/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
70/49 = 70 × 20/49 × 20 = 1400/980 - Add the two like fractions:
98/980 + 1400/980 = 98 + 1400/980 = 1498/980 - 1498/980 simplified gives 107/70
- So, 2/20 + 70/49 = 107/70
In mixed form: 137/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+70/49 2/40+70/49 2/20+70/98 6/20+70/49 2/60+70/49 10/20+70/49 14/20+70/49