Add 40/8 and 42/16
1st number: 5 0/8, 2nd number: 2 10/16
40/8 + 42/16 is 61/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
40/8 = 40 × 2/8 × 2 = 80/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Add the two like fractions:
80/16 + 42/16 = 80 + 42/16 = 122/16 - 122/16 simplified gives 61/8
- So, 40/8 + 42/16 = 61/8
In mixed form: 75/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+42/16 40/8+84/16 40/16+42/16 40/8+42/32 40/24+42/16 40/8+42/48 40/8+42/80 40/56+42/16