Add 20/24 and 72/20
1st number: 20/24, 2nd number: 3 12/20
20/24 + 72/20 is 133/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
72/20 = 72 × 6/20 × 6 = 432/120 - Add the two like fractions:
100/120 + 432/120 = 100 + 432/120 = 532/120 - 532/120 simplified gives 133/30
- So, 20/24 + 72/20 = 133/30
In mixed form: 413/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+72/20 20/48+72/20 20/24+72/40 60/24+72/20 20/72+72/20 20/24+72/60