Add 28/2 and 54/84
1st number: 14 0/2, 2nd number: 54/84
28/2 + 54/84 is 205/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
28/2 = 28 × 42/2 × 42 = 1176/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
54/84 = 54 × 1/84 × 1 = 54/84 - Add the two like fractions:
1176/84 + 54/84 = 1176 + 54/84 = 1230/84 - 1230/84 simplified gives 205/14
- So, 28/2 + 54/84 = 205/14
In mixed form: 149/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+54/84 28/4+54/84 84/2+54/84 28/6+54/84 28/10+54/84 28/14+54/84