Add 9/90 and 60/84
9/90 + 60/84 is 57/70.
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,
9/90 = 9 × 14/90 × 14 = 126/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
60/84 = 60 × 15/84 × 15 = 900/1260 - Add the two like fractions:
126/1260 + 900/1260 = 126 + 900/1260 = 1026/1260 - 1026/1260 simplified gives 57/70
- So, 9/90 + 60/84 = 57/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+60/84 27/90+60/84 45/90+60/84 63/90+60/84