Add 45/40 and 3/16
1st number: 1 5/40, 2nd number: 3/16
45/40 + 3/16 is 21/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
45/40 = 45 × 2/40 × 2 = 90/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
3/16 = 3 × 5/16 × 5 = 15/80 - Add the two like fractions:
90/80 + 15/80 = 90 + 15/80 = 105/80 - 105/80 simplified gives 21/16
- So, 45/40 + 3/16 = 21/16
In mixed form: 15/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+3/16 45/40+6/16 45/80+3/16 45/40+3/32 45/40+9/16 45/40+3/48 45/40+15/16 45/40+3/80 45/40+21/16