Add 45/40 and 5/8
1st number: 1 5/40, 2nd number: 5/8
45/40 + 5/8 is 7/4.
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,
45/40 = 45 × 1/40 × 1 = 45/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
5/8 = 5 × 5/8 × 5 = 25/40 - Add the two like fractions:
45/40 + 25/40 = 45 + 25/40 = 70/40 - 70/40 simplified gives 7/4
- So, 45/40 + 5/8 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+5/8 45/40+10/8 45/80+5/8 45/40+5/16 45/40+15/8 45/40+5/24 45/40+25/8 45/40+5/40 45/40+35/8 45/40+5/56