Add 24/54 and 12/42
24/54 + 12/42 is 46/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
24/54 = 24 × 7/54 × 7 = 168/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
12/42 = 12 × 9/42 × 9 = 108/378 - Add the two like fractions:
168/378 + 108/378 = 168 + 108/378 = 276/378 - 276/378 simplified gives 46/63
- So, 24/54 + 12/42 = 46/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/54+12/42 24/54+24/42 24/54+12/84 72/54+12/42 24/54+36/42 24/54+60/42 24/54+84/42