Add 42/45 and 24/54
42/45 + 24/54 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
42/45 = 42 × 6/45 × 6 = 252/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
24/54 = 24 × 5/54 × 5 = 120/270 - Add the two like fractions:
252/270 + 120/270 = 252 + 120/270 = 372/270 - 372/270 simplified gives 62/45
- So, 42/45 + 24/54 = 62/45
In mixed form: 117/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+24/54 42/45+48/54 42/90+24/54 42/45+72/54