Add 54/60 and 56/42
1st number: 54/60, 2nd number: 1 14/42
54/60 + 56/42 is 67/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
54/60 = 54 × 7/60 × 7 = 378/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
56/42 = 56 × 10/42 × 10 = 560/420 - Add the two like fractions:
378/420 + 560/420 = 378 + 560/420 = 938/420 - 938/420 simplified gives 67/30
- So, 54/60 + 56/42 = 67/30
In mixed form: 27/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+56/84