Add 12/14 and 75/63
1st number: 12/14, 2nd number: 1 12/63
12/14 + 75/63 is 43/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
12/14 = 12 × 9/14 × 9 = 108/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
75/63 = 75 × 2/63 × 2 = 150/126 - Add the two like fractions:
108/126 + 150/126 = 108 + 150/126 = 258/126 - 258/126 simplified gives 43/21
- So, 12/14 + 75/63 = 43/21
In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+75/63 12/28+75/63 36/14+75/63 12/42+75/63 60/14+75/63 12/70+75/63 84/14+75/63 12/98+75/63