Add 3/54 and 8/7
1st number: 3/54, 2nd number: 1 1/7
3/54 + 8/7 is 151/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
8/7 = 8 × 54/7 × 54 = 432/378 - Add the two like fractions:
21/378 + 432/378 = 21 + 432/378 = 453/378 - 453/378 simplified gives 151/126
- So, 3/54 + 8/7 = 151/126
In mixed form: 125/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54+8/7 3/54+16/7 3/54+8/14 9/54+8/7 3/54+24/7 3/54+8/21 15/54+8/7 3/54+40/7 3/54+8/35 21/54+8/7 3/54+56/7 3/54+8/49