Add 21/90 and 60/24
1st number: 21/90, 2nd number: 2 12/24
21/90 + 60/24 is 41/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
60/24 = 60 × 15/24 × 15 = 900/360 - Add the two like fractions:
84/360 + 900/360 = 84 + 900/360 = 984/360 - 984/360 simplified gives 41/15
- So, 21/90 + 60/24 = 41/15
In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/90+60/24 21/90+60/48 63/90+60/24 21/90+60/72