Add 54/35 and 15/18
1st number: 1 19/35, 2nd number: 15/18
54/35 + 15/18 is 499/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
54/35 = 54 × 18/35 × 18 = 972/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
15/18 = 15 × 35/18 × 35 = 525/630 - Add the two like fractions:
972/630 + 525/630 = 972 + 525/630 = 1497/630 - 1497/630 simplified gives 499/210
- So, 54/35 + 15/18 = 499/210
In mixed form: 279/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/35+30/18 54/70+15/18 54/35+15/36 54/35+45/18 54/35+15/54 54/35+75/18 54/35+15/90