Add 42/16 and 30/5
1st number: 2 10/16, 2nd number: 6 0/5
42/16 + 30/5 is 69/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
30/5 = 30 × 16/5 × 16 = 480/80 - Add the two like fractions:
210/80 + 480/80 = 210 + 480/80 = 690/80 - 690/80 simplified gives 69/8
- So, 42/16 + 30/5 = 69/8
In mixed form: 85/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16+30/5 42/16+60/5 42/32+30/5 42/16+30/10 42/16+90/5 42/48+30/5 42/16+30/15 42/80+30/5 42/16+30/25 42/16+30/35