Add 5/84 and 2/90
5/84 + 2/90 is 103/1260.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
5/84 = 5 × 15/84 × 15 = 75/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
2/90 = 2 × 14/90 × 14 = 28/1260 - Add the two like fractions:
75/1260 + 28/1260 = 75 + 28/1260 = 103/1260 - So, 5/84 + 2/90 = 103/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84+2/90 5/84+4/90 15/84+2/90 5/84+6/90 25/84+2/90 5/84+10/90 35/84+2/90 5/84+14/90