Add 42/54 and 72/24
1st number: 42/54, 2nd number: 3 0/24
42/54 + 72/24 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
42/54 = 42 × 4/54 × 4 = 168/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
72/24 = 72 × 9/24 × 9 = 648/216 - Add the two like fractions:
168/216 + 648/216 = 168 + 648/216 = 816/216 - 816/216 simplified gives 34/9
- So, 42/54 + 72/24 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+72/24 42/54+72/48