Add 12/4 and 45/63
1st number: 3 0/4, 2nd number: 45/63
12/4 + 45/63 is 26/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
12/4 = 12 × 63/4 × 63 = 756/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Add the two like fractions:
756/252 + 180/252 = 756 + 180/252 = 936/252 - 936/252 simplified gives 26/7
- So, 12/4 + 45/63 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+45/63 12/4+90/63 12/8+45/63 36/4+45/63 60/4+45/63 12/20+45/63 84/4+45/63 12/28+45/63