Add 75/40 and 81/8
1st number: 1 35/40, 2nd number: 10 1/8
75/40 + 81/8 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Add the two like fractions:
75/40 + 405/40 = 75 + 405/40 = 480/40 - 480/40 simplified gives 12/1
- So, 75/40 + 81/8 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80+81/8 75/40+81/16 75/40+81/24 75/40+81/40 75/40+81/56