Add 18/8 and 48/30
1st number: 2 2/8, 2nd number: 1 18/30
18/8 + 48/30 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,
18/8 = 18 × 15/8 × 15 = 270/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
48/30 = 48 × 4/30 × 4 = 192/120 - Add the two like fractions:
270/120 + 192/120 = 270 + 192/120 = 462/120 - 462/120 simplified gives 77/20
- So, 18/8 + 48/30 = 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: 36/8+48/30 18/8+96/30 18/16+48/30 18/8+48/60 54/8+48/30 18/24+48/30 18/8+48/90 90/8+48/30 18/40+48/30 18/56+48/30