Add 8/10 and 81/16
1st number: 8/10, 2nd number: 5 1/16
8/10 + 81/16 is 469/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
8/10 = 8 × 8/10 × 8 = 64/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
81/16 = 81 × 5/16 × 5 = 405/80 - Add the two like fractions:
64/80 + 405/80 = 64 + 405/80 = 469/80 - So, 8/10 + 81/16 = 469/80
In mixed form: 569/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+81/16 8/20+81/16 8/10+81/32 24/10+81/16 8/30+81/16 8/10+81/48 40/10+81/16 8/50+81/16 8/10+81/80 56/10+81/16 8/70+81/16