Add 20/8 and 25/30
1st number: 2 4/8, 2nd number: 25/30
20/8 + 25/30 is 10/3.
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,
20/8 = 20 × 15/8 × 15 = 300/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
25/30 = 25 × 4/30 × 4 = 100/120 - Add the two like fractions:
300/120 + 100/120 = 300 + 100/120 = 400/120 - 400/120 simplified gives 10/3
- So, 20/8 + 25/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+25/30 20/8+50/30 20/16+25/30 20/8+25/60 60/8+25/30 20/8+75/30 20/24+25/30 20/8+25/90 20/40+25/30 20/56+25/30