Add 63/7 and 15/81
1st number: 9 0/7, 2nd number: 15/81
63/7 + 15/81 is 248/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
63/7 = 63 × 81/7 × 81 = 5103/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
15/81 = 15 × 7/81 × 7 = 105/567 - Add the two like fractions:
5103/567 + 105/567 = 5103 + 105/567 = 5208/567 - 5208/567 simplified gives 248/27
- So, 63/7 + 15/81 = 248/27
In mixed form: 95/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/7+30/81 63/14+15/81 63/7+45/81 63/21+15/81 63/7+75/81 63/35+15/81 63/49+15/81