Add 45/8 and 81/16
1st number: 5 5/8, 2nd number: 5 1/16
45/8 + 81/16 is 171/16.
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,
45/8 = 45 × 2/8 × 2 = 90/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
81/16 = 81 × 1/16 × 1 = 81/16 - Add the two like fractions:
90/16 + 81/16 = 90 + 81/16 = 171/16 - So, 45/8 + 81/16 = 171/16
In mixed form: 1011/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+81/16 45/16+81/16 45/8+81/32 45/24+81/16 45/8+81/48 45/40+81/16 45/8+81/80 45/56+81/16