Add 4/7 and 84/54
1st number: 4/7, 2nd number: 1 30/54
4/7 + 84/54 is 134/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
4/7 = 4 × 54/7 × 54 = 216/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378 - Add the two like fractions:
216/378 + 588/378 = 216 + 588/378 = 804/378 - 804/378 simplified gives 134/63
- So, 4/7 + 84/54 = 134/63
In mixed form: 28/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+84/54 4/14+84/54 12/7+84/54 4/21+84/54 20/7+84/54 4/35+84/54 28/7+84/54 4/49+84/54