Add 10/8 and 30/10
1st number: 1 2/8, 2nd number: 3 0/10
10/8 + 30/10 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
10/8 = 10 × 5/8 × 5 = 50/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Add the two like fractions:
50/40 + 120/40 = 50 + 120/40 = 170/40 - 170/40 simplified gives 17/4
- So, 10/8 + 30/10 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+30/10 10/8+60/10 10/16+30/10 10/8+30/20 30/8+30/10 10/8+90/10 10/24+30/10 50/8+30/10 10/40+30/10 10/8+30/50 70/8+30/10 10/56+30/10 10/8+30/70