Add 70/10 and 70/49
1st number: 7 0/10, 2nd number: 1 21/49
70/10 + 70/49 is 59/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
70/10 = 70 × 49/10 × 49 = 3430/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
70/49 = 70 × 10/49 × 10 = 700/490 - Add the two like fractions:
3430/490 + 700/490 = 3430 + 700/490 = 4130/490 - 4130/490 simplified gives 59/7
- So, 70/10 + 70/49 = 59/7
In mixed form: 83/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+70/49 70/10+70/98 70/30+70/49 70/50+70/49