Add 15/10 and 16/8
1st number: 1 5/10, 2nd number: 2 0/8
15/10 + 16/8 is 7/2.
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,
15/10 = 15 × 4/10 × 4 = 60/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
16/8 = 16 × 5/8 × 5 = 80/40 - Add the two like fractions:
60/40 + 80/40 = 60 + 80/40 = 140/40 - 140/40 simplified gives 7/2
- So, 15/10 + 16/8 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+16/8 15/10+32/8 15/20+16/8 45/10+16/8 15/10+48/8 15/30+16/8 15/10+16/24 75/10+16/8 15/10+80/8 15/50+16/8 15/10+16/40 15/70+16/8 15/10+16/56