Add 12/10 and 28/8
1st number: 1 2/10, 2nd number: 3 4/8
12/10 + 28/8 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
12/10 = 12 × 4/10 × 4 = 48/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
28/8 = 28 × 5/8 × 5 = 140/40 - Add the two like fractions:
48/40 + 140/40 = 48 + 140/40 = 188/40 - 188/40 simplified gives 47/10
- So, 12/10 + 28/8 = 47/10
In mixed form: 47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+28/8 12/10+56/8 12/20+28/8 12/10+28/16 36/10+28/8 12/10+84/8 12/30+28/8 12/10+28/24 60/10+28/8 12/50+28/8 12/10+28/40 84/10+28/8 12/70+28/8 12/10+28/56