Add 7/54 and 42/8
1st number: 7/54, 2nd number: 5 2/8
7/54 + 42/8 is 581/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
7/54 = 7 × 4/54 × 4 = 28/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
42/8 = 42 × 27/8 × 27 = 1134/216 - Add the two like fractions:
28/216 + 1134/216 = 28 + 1134/216 = 1162/216 - 1162/216 simplified gives 581/108
- So, 7/54 + 42/8 = 581/108
In mixed form: 541/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54+42/8 7/54+84/8 7/54+42/16 21/54+42/8 7/54+42/24 35/54+42/8 7/54+42/40 49/54+42/8 7/54+42/56