Add 54/8 and 42/16
1st number: 6 6/8, 2nd number: 2 10/16
54/8 + 42/16 is 75/8.
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,
54/8 = 54 × 2/8 × 2 = 108/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Add the two like fractions:
108/16 + 42/16 = 108 + 42/16 = 150/16 - 150/16 simplified gives 75/8
- So, 54/8 + 42/16 = 75/8
In mixed form: 93/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+84/16 54/16+42/16 54/8+42/32 54/24+42/16 54/8+42/48 54/40+42/16 54/8+42/80 54/56+42/16