Add 24/42 and 35/45
24/42 + 35/45 is 85/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
24/42 = 24 × 15/42 × 15 = 360/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
35/45 = 35 × 14/45 × 14 = 490/630 - Add the two like fractions:
360/630 + 490/630 = 360 + 490/630 = 850/630 - 850/630 simplified gives 85/63
- So, 24/42 + 35/45 = 85/63
In mixed form: 122/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+35/45 24/42+70/45 24/84+35/45 24/42+35/90 72/42+35/45