Add 30/8 and 3/30
1st number: 3 6/8, 2nd number: 3/30
30/8 + 3/30 is 77/20.
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,
30/8 = 30 × 15/8 × 15 = 450/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
3/30 = 3 × 4/30 × 4 = 12/120 - Add the two like fractions:
450/120 + 12/120 = 450 + 12/120 = 462/120 - 462/120 simplified gives 77/20
- So, 30/8 + 3/30 = 77/20
In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+3/30 30/8+6/30 30/16+3/30 30/8+3/60 90/8+3/30 30/8+9/30 30/24+3/30 30/8+3/90 30/8+15/30 30/40+3/30 30/8+21/30 30/56+3/30