Add 45/63 and 8/18
45/63 + 8/18 is 73/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
8/18 = 8 × 7/18 × 7 = 56/126 - Add the two like fractions:
90/126 + 56/126 = 90 + 56/126 = 146/126 - 146/126 simplified gives 73/63
- So, 45/63 + 8/18 = 73/63
In mixed form: 110/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+8/18 45/63+16/18 45/63+8/36 45/63+24/18 45/63+8/54 45/63+40/18 45/63+8/90 45/63+56/18