Add 84/9 and 70/49
1st number: 9 3/9, 2nd number: 1 21/49
84/9 + 70/49 is 226/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
84/9 = 84 × 49/9 × 49 = 4116/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
70/49 = 70 × 9/49 × 9 = 630/441 - Add the two like fractions:
4116/441 + 630/441 = 4116 + 630/441 = 4746/441 - 4746/441 simplified gives 226/21
- So, 84/9 + 70/49 = 226/21
In mixed form: 1016/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+70/49 84/9+70/98 84/27+70/49 84/45+70/49 84/63+70/49