Add 54/14 and 15/8
1st number: 3 12/14, 2nd number: 1 7/8
54/14 + 15/8 is 321/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
54/14 = 54 × 4/14 × 4 = 216/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Add the two like fractions:
216/56 + 105/56 = 216 + 105/56 = 321/56 - So, 54/14 + 15/8 = 321/56
In mixed form: 541/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+30/8 54/28+15/8 54/14+15/16 54/14+45/8 54/42+15/8 54/14+15/24 54/14+75/8 54/70+15/8 54/14+15/40 54/98+15/8 54/14+15/56