Add 12/30 and 75/63
1st number: 12/30, 2nd number: 1 12/63
12/30 + 75/63 is 167/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
12/30 = 12 × 21/30 × 21 = 252/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Add the two like fractions:
252/630 + 750/630 = 252 + 750/630 = 1002/630 - 1002/630 simplified gives 167/105
- So, 12/30 + 75/63 = 167/105
In mixed form: 162/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+75/63 12/60+75/63 36/30+75/63 12/90+75/63 60/30+75/63 84/30+75/63