Add 18/63 and 84/30
1st number: 18/63, 2nd number: 2 24/30
18/63 + 84/30 is 108/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
84/30 = 84 × 21/30 × 21 = 1764/630 - Add the two like fractions:
180/630 + 1764/630 = 180 + 1764/630 = 1944/630 - 1944/630 simplified gives 108/35
- So, 18/63 + 84/30 = 108/35
In mixed form: 33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+84/30 18/63+84/60 54/63+84/30 18/63+84/90 90/63+84/30