Add 27/24 and 42/45
1st number: 1 3/24, 2nd number: 42/45
27/24 + 42/45 is 247/120.
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,
27/24 = 27 × 15/24 × 15 = 405/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Add the two like fractions:
405/360 + 336/360 = 405 + 336/360 = 741/360 - 741/360 simplified gives 247/120
- So, 27/24 + 42/45 = 247/120
In mixed form: 27/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+42/45 27/24+84/45 27/48+42/45 27/24+42/90 81/24+42/45 27/72+42/45