Add 84/49 and 70/45
1st number: 1 35/49, 2nd number: 1 25/45
84/49 + 70/45 is 206/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 45 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 49 × 45 = 2205,
84/49 = 84 × 45/49 × 45 = 3780/2205 - Likewise, for the 2nd fraction, since 45 × 49 = 2205,
70/45 = 70 × 49/45 × 49 = 3430/2205 - Add the two like fractions:
3780/2205 + 3430/2205 = 3780 + 3430/2205 = 7210/2205 - 7210/2205 simplified gives 206/63
- So, 84/49 + 70/45 = 206/63
In mixed form: 317/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+70/45 84/49+70/90