Add 42/8 and 16/5
1st number: 5 2/8, 2nd number: 3 1/5
42/8 + 16/5 is 169/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
42/8 = 42 × 5/8 × 5 = 210/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
16/5 = 16 × 8/5 × 8 = 128/40 - Add the two like fractions:
210/40 + 128/40 = 210 + 128/40 = 338/40 - 338/40 simplified gives 169/20
- So, 42/8 + 16/5 = 169/20
In mixed form: 89/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+16/5 42/8+32/5 42/16+16/5 42/8+16/10 42/8+48/5 42/24+16/5 42/8+16/15 42/8+80/5 42/40+16/5 42/8+16/25 42/56+16/5 42/8+16/35