Add 40/16 and 42/8
1st number: 2 8/16, 2nd number: 5 2/8
40/16 + 42/8 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
42/8 = 42 × 2/8 × 2 = 84/16 - Add the two like fractions:
40/16 + 84/16 = 40 + 84/16 = 124/16 - 124/16 simplified gives 31/4
- So, 40/16 + 42/8 = 31/4
In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+42/8 40/16+84/8 40/32+42/8 40/16+42/16 40/48+42/8 40/16+42/24 40/80+42/8 40/16+42/40 40/16+42/56