Add 5/8 and 20/30
5/8 + 20/30 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
5/8 = 5 × 15/8 × 15 = 75/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
20/30 = 20 × 4/30 × 4 = 80/120 - Add the two like fractions:
75/120 + 80/120 = 75 + 80/120 = 155/120 - 155/120 simplified gives 31/24
- So, 5/8 + 20/30 = 31/24
In mixed form: 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8+20/30 5/8+40/30 5/16+20/30 5/8+20/60 15/8+20/30 5/8+60/30 5/24+20/30 5/8+20/90 25/8+20/30 5/40+20/30 35/8+20/30 5/56+20/30