Add 20/7 and 12/54
1st number: 2 6/7, 2nd number: 12/54
20/7 + 12/54 is 194/63.
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,
20/7 = 20 × 54/7 × 54 = 1080/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Add the two like fractions:
1080/378 + 84/378 = 1080 + 84/378 = 1164/378 - 1164/378 simplified gives 194/63
- So, 20/7 + 12/54 = 194/63
In mixed form: 35/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+12/54 20/7+24/54 20/14+12/54 60/7+12/54 20/7+36/54 20/21+12/54 20/7+60/54 20/35+12/54 20/7+84/54 20/49+12/54