Add 30/24 and 20/90
1st number: 1 6/24, 2nd number: 20/90
30/24 + 20/90 is 53/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
30/24 = 30 × 15/24 × 15 = 450/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
20/90 = 20 × 4/90 × 4 = 80/360 - Add the two like fractions:
450/360 + 80/360 = 450 + 80/360 = 530/360 - 530/360 simplified gives 53/36
- So, 30/24 + 20/90 = 53/36
In mixed form: 117/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+20/90 30/24+40/90 30/48+20/90 90/24+20/90 30/24+60/90 30/72+20/90