Add 9/70 and 80/49
1st number: 9/70, 2nd number: 1 31/49
9/70 + 80/49 is 863/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
9/70 = 9 × 7/70 × 7 = 63/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
80/49 = 80 × 10/49 × 10 = 800/490 - Add the two like fractions:
63/490 + 800/490 = 63 + 800/490 = 863/490 - So, 9/70 + 80/49 = 863/490
In mixed form: 1373/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+80/49 9/70+80/98 27/70+80/49 45/70+80/49 63/70+80/49