Add 54/7 and 24/18
1st number: 7 5/7, 2nd number: 1 6/18
54/7 + 24/18 is 190/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
54/7 = 54 × 18/7 × 18 = 972/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
24/18 = 24 × 7/18 × 7 = 168/126 - Add the two like fractions:
972/126 + 168/126 = 972 + 168/126 = 1140/126 - 1140/126 simplified gives 190/21
- So, 54/7 + 24/18 = 190/21
In mixed form: 91/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+48/18 54/14+24/18 54/7+24/36 54/7+72/18 54/21+24/18 54/7+24/54 54/35+24/18 54/7+24/90 54/49+24/18