Add 24/20 and 20/90
1st number: 1 4/20, 2nd number: 20/90
24/20 + 20/90 is 64/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Add the two like fractions:
216/180 + 40/180 = 216 + 40/180 = 256/180 - 256/180 simplified gives 64/45
- So, 24/20 + 20/90 = 64/45
In mixed form: 119/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/20+20/90 24/20+40/90 24/40+20/90 72/20+20/90 24/20+60/90 24/60+20/90