Add 84/45 and 2/7
1st number: 1 39/45, 2nd number: 2/7
84/45 + 2/7 is 226/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
2/7 = 2 × 45/7 × 45 = 90/315 - Add the two like fractions:
588/315 + 90/315 = 588 + 90/315 = 678/315 - 678/315 simplified gives 226/105
- So, 84/45 + 2/7 = 226/105
In mixed form: 216/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+4/7 84/90+2/7 84/45+2/14 84/45+6/7 84/45+2/21 84/45+10/7 84/45+2/35 84/45+14/7 84/45+2/49