Add 8/40 and 2/45
8/40 + 2/45 is 11/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
8/40 = 8 × 9/40 × 9 = 72/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
2/45 = 2 × 8/45 × 8 = 16/360 - Add the two like fractions:
72/360 + 16/360 = 72 + 16/360 = 88/360 - 88/360 simplified gives 11/45
- So, 8/40 + 2/45 = 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+2/45 8/40+4/45 8/80+2/45 8/40+2/90 24/40+2/45 8/40+6/45 8/40+10/45 56/40+2/45 8/40+14/45