Add 63/12 and 72/63
1st number: 5 3/12, 2nd number: 1 9/63
63/12 + 72/63 is 179/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
63/12 = 63 × 21/12 × 21 = 1323/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
1323/252 + 288/252 = 1323 + 288/252 = 1611/252 - 1611/252 simplified gives 179/28
- So, 63/12 + 72/63 = 179/28
In mixed form: 611/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/24+72/63 63/36+72/63 63/60+72/63 63/84+72/63