Add 18/4 and 18/63
1st number: 4 2/4, 2nd number: 18/63
18/4 + 18/63 is 67/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
18/4 = 18 × 63/4 × 63 = 1134/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Add the two like fractions:
1134/252 + 72/252 = 1134 + 72/252 = 1206/252 - 1206/252 simplified gives 67/14
- So, 18/4 + 18/63 = 67/14
In mixed form: 411/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+18/63 18/4+36/63 18/8+18/63 54/4+18/63 18/4+54/63 18/12+18/63 90/4+18/63 18/4+90/63 18/20+18/63 18/28+18/63