Add 54/14 and 15/60
1st number: 3 12/14, 2nd number: 15/60
54/14 + 15/60 is 115/28.
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,
15/60 = 15 × 7/60 × 7 = 105/420 - Add the two like fractions:
1620/420 + 105/420 = 1620 + 105/420 = 1725/420 - 1725/420 simplified gives 115/28
- So, 54/14 + 15/60 = 115/28
In mixed form: 43/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+30/60 54/28+15/60 54/14+45/60 54/42+15/60 54/14+75/60 54/70+15/60 54/98+15/60