Add 8/5 and 42/16
1st number: 1 3/5, 2nd number: 2 10/16
8/5 + 42/16 is 169/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Add the two like fractions:
128/80 + 210/80 = 128 + 210/80 = 338/80 - 338/80 simplified gives 169/40
- So, 8/5 + 42/16 = 169/40
In mixed form: 49/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5+42/16 8/5+84/16 8/10+42/16 8/5+42/32 24/5+42/16 8/15+42/16 8/5+42/48 40/5+42/16 8/25+42/16 8/5+42/80 56/5+42/16 8/35+42/16