Add 45/63 and 63/7
1st number: 45/63, 2nd number: 9 0/7
45/63 + 63/7 is 68/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
45/63 = 45 × 1/63 × 1 = 45/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
63/7 = 63 × 9/7 × 9 = 567/63 - Add the two like fractions:
45/63 + 567/63 = 45 + 567/63 = 612/63 - 612/63 simplified gives 68/7
- So, 45/63 + 63/7 = 68/7
In mixed form: 95/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+63/7 45/63+63/14 45/63+63/21 45/63+63/35 45/63+63/49