Add 84/36 and 2/7
1st number: 2 12/36, 2nd number: 2/7
84/36 + 2/7 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
84/36 = 84 × 7/36 × 7 = 588/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
2/7 = 2 × 36/7 × 36 = 72/252 - Add the two like fractions:
588/252 + 72/252 = 588 + 72/252 = 660/252 - 660/252 simplified gives 55/21
- So, 84/36 + 2/7 = 55/21
In mixed form: 213/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+4/7 84/72+2/7 84/36+2/14 84/36+6/7 84/36+2/21 84/36+10/7 84/36+2/35 84/36+14/7 84/36+2/49