Add 54/56 and 12/8
1st number: 54/56, 2nd number: 1 4/8
54/56 + 12/8 is 69/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
12/8 = 12 × 7/8 × 7 = 84/56 - Add the two like fractions:
54/56 + 84/56 = 54 + 84/56 = 138/56 - 138/56 simplified gives 69/28
- So, 54/56 + 12/8 = 69/28
In mixed form: 213/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+24/8 54/56+12/16 54/56+36/8 54/56+12/24 54/56+60/8 54/56+12/40 54/56+84/8 54/56+12/56