Add 30/8 and 4/5
1st number: 3 6/8, 2nd number: 4/5
30/8 + 4/5 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
4/5 = 4 × 8/5 × 8 = 32/40 - Add the two like fractions:
150/40 + 32/40 = 150 + 32/40 = 182/40 - 182/40 simplified gives 91/20
- So, 30/8 + 4/5 = 91/20
In mixed form: 411/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+4/5 30/8+8/5 30/16+4/5 30/8+4/10 90/8+4/5 30/8+12/5 30/24+4/5 30/8+4/15 30/8+20/5 30/40+4/5 30/8+4/25 30/8+28/5 30/56+4/5 30/8+4/35