Add 54/18 and 60/70
1st number: 3 0/18, 2nd number: 60/70
54/18 + 60/70 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
54/18 = 54 × 35/18 × 35 = 1890/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Add the two like fractions:
1890/630 + 540/630 = 1890 + 540/630 = 2430/630 - 2430/630 simplified gives 27/7
- So, 54/18 + 60/70 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+60/70 54/90+60/70