Add 20/24 and 2/45
20/24 + 2/45 is 79/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
20/24 = 20 × 15/24 × 15 = 300/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
2/45 = 2 × 8/45 × 8 = 16/360 - Add the two like fractions:
300/360 + 16/360 = 300 + 16/360 = 316/360 - 316/360 simplified gives 79/90
- So, 20/24 + 2/45 = 79/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+2/45 20/24+4/45 20/48+2/45 20/24+2/90 60/24+2/45 20/24+6/45 20/72+2/45 20/24+10/45 20/24+14/45