Add 75/12 and 84/56
1st number: 6 3/12, 2nd number: 1 28/56
75/12 + 84/56 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
75/12 = 75 × 14/12 × 14 = 1050/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Add the two like fractions:
1050/168 + 252/168 = 1050 + 252/168 = 1302/168 - 1302/168 simplified gives 31/4
- So, 75/12 + 84/56 = 31/4
In mixed form: 73/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/24+84/56 75/36+84/56 75/60+84/56 75/84+84/56