Add 40/45 and 4/8
40/45 + 4/8 is 25/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Add the two like fractions:
320/360 + 180/360 = 320 + 180/360 = 500/360 - 500/360 simplified gives 25/18
- So, 40/45 + 4/8 = 25/18
In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+4/8 40/90+4/8 40/45+4/16 40/45+12/8 40/45+4/24 40/45+20/8 40/45+4/40 40/45+28/8 40/45+4/56