Add 24/40 and 15/45
24/40 + 15/45 is 14/15.
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,
24/40 = 24 × 9/40 × 9 = 216/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Add the two like fractions:
216/360 + 120/360 = 216 + 120/360 = 336/360 - 336/360 simplified gives 14/15
- So, 24/40 + 15/45 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+15/45 24/40+30/45 24/80+15/45 24/40+15/90 72/40+15/45 24/40+75/45