Add 20/49 and 70/10
1st number: 20/49, 2nd number: 7 0/10
20/49 + 70/10 is 363/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
70/10 = 70 × 49/10 × 49 = 3430/490 - Add the two like fractions:
200/490 + 3430/490 = 200 + 3430/490 = 3630/490 - 3630/490 simplified gives 363/49
- So, 20/49 + 70/10 = 363/49
In mixed form: 720/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49+70/10 20/98+70/10 20/49+70/20 60/49+70/10 20/49+70/30 20/49+70/50