Add 45/16 and 75/40
1st number: 2 13/16, 2nd number: 1 35/40
45/16 + 75/40 is 75/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
75/40 = 75 × 2/40 × 2 = 150/80 - Add the two like fractions:
225/80 + 150/80 = 225 + 150/80 = 375/80 - 375/80 simplified gives 75/16
- So, 45/16 + 75/40 = 75/16
In mixed form: 411/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+75/40 45/32+75/40 45/16+75/80 45/48+75/40 45/80+75/40