Add 3/30 and 20/8
1st number: 3/30, 2nd number: 2 4/8
3/30 + 20/8 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
20/8 = 20 × 15/8 × 15 = 300/120 - Add the two like fractions:
12/120 + 300/120 = 12 + 300/120 = 312/120 - 312/120 simplified gives 13/5
- So, 3/30 + 20/8 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+20/8 3/30+40/8 3/60+20/8 3/30+20/16 9/30+20/8 3/30+60/8 3/90+20/8 3/30+20/24 15/30+20/8 3/30+20/40 21/30+20/8 3/30+20/56