Add 72/8 and 28/63
1st number: 9 0/8, 2nd number: 28/63
72/8 + 28/63 is 85/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
72/8 = 72 × 63/8 × 63 = 4536/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
28/63 = 28 × 8/63 × 8 = 224/504 - Add the two like fractions:
4536/504 + 224/504 = 4536 + 224/504 = 4760/504 - 4760/504 simplified gives 85/9
- So, 72/8 + 28/63 = 85/9
In mixed form: 94/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+56/63 72/16+28/63 72/8+84/63 72/24+28/63 72/40+28/63 72/56+28/63