Add 18/2 and 30/63
1st number: 9 0/2, 2nd number: 30/63
18/2 + 30/63 is 199/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
18/2 = 18 × 63/2 × 63 = 1134/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126 - Add the two like fractions:
1134/126 + 60/126 = 1134 + 60/126 = 1194/126 - 1194/126 simplified gives 199/21
- So, 18/2 + 30/63 = 199/21
In mixed form: 910/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+30/63 18/2+60/63 18/4+30/63 54/2+30/63 18/2+90/63 18/6+30/63 90/2+30/63 18/10+30/63 18/14+30/63