Add 8/5 and 30/16
1st number: 1 3/5, 2nd number: 1 14/16
8/5 + 30/16 is 139/40.
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,
30/16 = 30 × 5/16 × 5 = 150/80 - Add the two like fractions:
128/80 + 150/80 = 128 + 150/80 = 278/80 - 278/80 simplified gives 139/40
- So, 8/5 + 30/16 = 139/40
In mixed form: 319/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5+30/16 8/5+60/16 8/10+30/16 8/5+30/32 24/5+30/16 8/5+90/16 8/15+30/16 8/5+30/48 40/5+30/16 8/25+30/16 8/5+30/80 56/5+30/16 8/35+30/16