Add 8/24 and 42/45
8/24 + 42/45 is 19/15.
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,
8/24 = 8 × 15/24 × 15 = 120/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Add the two like fractions:
120/360 + 336/360 = 120 + 336/360 = 456/360 - 456/360 simplified gives 19/15
- So, 8/24 + 42/45 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/24+42/45 8/24+84/45 8/48+42/45 8/24+42/90 8/72+42/45 40/24+42/45 56/24+42/45