Add 9/8 and 75/40
1st number: 1 1/8, 2nd number: 1 35/40
9/8 + 75/40 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Add the two like fractions:
45/40 + 75/40 = 45 + 75/40 = 120/40 - 120/40 simplified gives 3/1
- So, 9/8 + 75/40 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+75/40 9/16+75/40 9/8+75/80 27/8+75/40 9/24+75/40 45/8+75/40 9/40+75/40 63/8+75/40 9/56+75/40