Add 18/63 and 30/7
1st number: 18/63, 2nd number: 4 2/7
18/63 + 30/7 is 32/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
18/63 = 18 × 1/63 × 1 = 18/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
30/7 = 30 × 9/7 × 9 = 270/63 - Add the two like fractions:
18/63 + 270/63 = 18 + 270/63 = 288/63 - 288/63 simplified gives 32/7
- So, 18/63 + 30/7 = 32/7
In mixed form: 44/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/63+30/7 18/63+60/7 18/63+30/14 54/63+30/7 18/63+90/7 18/63+30/21 90/63+30/7 18/63+30/35 18/63+30/49