Add 24/90 and 81/24
1st number: 24/90, 2nd number: 3 9/24
24/90 + 81/24 is 437/120.
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,
24/90 = 24 × 4/90 × 4 = 96/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
81/24 = 81 × 15/24 × 15 = 1215/360 - Add the two like fractions:
96/360 + 1215/360 = 96 + 1215/360 = 1311/360 - 1311/360 simplified gives 437/120
- So, 24/90 + 81/24 = 437/120
In mixed form: 377/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/90+81/24 24/90+81/48 72/90+81/24 24/90+81/72