Add 54/24 and 42/30
1st number: 2 6/24, 2nd number: 1 12/30
54/24 + 42/30 is 73/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
54/24 = 54 × 5/24 × 5 = 270/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120 - Add the two like fractions:
270/120 + 168/120 = 270 + 168/120 = 438/120 - 438/120 simplified gives 73/20
- So, 54/24 + 42/30 = 73/20
In mixed form: 313/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+84/30 54/48+42/30 54/24+42/60 54/72+42/30 54/24+42/90