Add 5/90 and 2/84
5/90 + 2/84 is 5/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
5/90 = 5 × 14/90 × 14 = 70/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
2/84 = 2 × 15/84 × 15 = 30/1260 - Add the two like fractions:
70/1260 + 30/1260 = 70 + 30/1260 = 100/1260 - 100/1260 simplified gives 5/63
- So, 5/90 + 2/84 = 5/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+2/84 5/90+4/84 15/90+2/84 5/90+6/84 25/90+2/84 5/90+10/84 35/90+2/84 5/90+14/84