Add 70/9 and 12/63
1st number: 7 7/9, 2nd number: 12/63
70/9 + 12/63 is 502/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
70/9 = 70 × 7/9 × 7 = 490/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Add the two like fractions:
490/63 + 12/63 = 490 + 12/63 = 502/63 - So, 70/9 + 12/63 = 502/63
In mixed form: 761/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+24/63 70/18+12/63 70/9+36/63 70/27+12/63 70/9+60/63 70/45+12/63 70/9+84/63 70/63+12/63