Add 2/84 and 90/36
1st number: 2/84, 2nd number: 2 18/36
2/84 + 90/36 is 53/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
2/84 = 2 × 3/84 × 3 = 6/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Add the two like fractions:
6/252 + 630/252 = 6 + 630/252 = 636/252 - 636/252 simplified gives 53/21
- So, 2/84 + 90/36 = 53/21
In mixed form: 211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+90/36 2/84+90/72 6/84+90/36 10/84+90/36 14/84+90/36