Add 54/14 and 42/60
1st number: 3 12/14, 2nd number: 42/60
54/14 + 42/60 is 319/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
54/14 = 54 × 30/14 × 30 = 1620/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Add the two like fractions:
1620/420 + 294/420 = 1620 + 294/420 = 1914/420 - 1914/420 simplified gives 319/70
- So, 54/14 + 42/60 = 319/70
In mixed form: 439/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+84/60 54/28+42/60 54/42+42/60 54/70+42/60 54/98+42/60