Add 9/28 and 60/90
9/28 + 60/90 is 83/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
9/28 = 9 × 45/28 × 45 = 405/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
60/90 = 60 × 14/90 × 14 = 840/1260 - Add the two like fractions:
405/1260 + 840/1260 = 405 + 840/1260 = 1245/1260 - 1245/1260 simplified gives 83/84
- So, 9/28 + 60/90 = 83/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28+60/90 9/56+60/90 27/28+60/90 9/84+60/90 45/28+60/90 63/28+60/90