Add 63/15 and 70/12
1st number: 4 3/15, 2nd number: 5 10/12
63/15 + 70/12 is 301/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
63/15 = 63 × 4/15 × 4 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Add the two like fractions:
252/60 + 350/60 = 252 + 350/60 = 602/60 - 602/60 simplified gives 301/30
- So, 63/15 + 70/12 = 301/30
In mixed form: 101/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+70/12 63/15+70/24 63/45+70/12 63/15+70/36 63/75+70/12 63/15+70/60 63/15+70/84