Add 30/80 and 35/10
1st number: 30/80, 2nd number: 3 5/10
30/80 + 35/10 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
35/10 = 35 × 8/10 × 8 = 280/80 - Add the two like fractions:
30/80 + 280/80 = 30 + 280/80 = 310/80 - 310/80 simplified gives 31/8
- So, 30/80 + 35/10 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+35/10 30/80+70/10 30/80+35/20 90/80+35/10 30/80+35/30 30/80+35/50 30/80+35/70