Add 72/18 and 14/63
1st number: 4 0/18, 2nd number: 14/63
72/18 + 14/63 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
14/63 = 14 × 2/63 × 2 = 28/126 - Add the two like fractions:
504/126 + 28/126 = 504 + 28/126 = 532/126 - 532/126 simplified gives 38/9
- So, 72/18 + 14/63 = 38/9
In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+28/63 72/36+14/63 72/18+42/63 72/54+14/63 72/18+70/63 72/90+14/63 72/18+98/63