Add 18/60 and 54/14
1st number: 18/60, 2nd number: 3 12/14
18/60 + 54/14 is 291/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
54/14 = 54 × 30/14 × 30 = 1620/420 - Add the two like fractions:
126/420 + 1620/420 = 126 + 1620/420 = 1746/420 - 1746/420 simplified gives 291/70
- So, 18/60 + 54/14 = 291/70
In mixed form: 411/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+54/14 18/60+54/28 54/60+54/14 18/60+54/42 90/60+54/14 18/60+54/70 18/60+54/98