Add 12/15 and 63/7
1st number: 12/15, 2nd number: 9 0/7
12/15 + 63/7 is 49/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
12/15 = 12 × 7/15 × 7 = 84/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
63/7 = 63 × 15/7 × 15 = 945/105 - Add the two like fractions:
84/105 + 945/105 = 84 + 945/105 = 1029/105 - 1029/105 simplified gives 49/5
- So, 12/15 + 63/7 = 49/5
In mixed form: 94/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+63/7 12/30+63/7 12/15+63/14 36/15+63/7 12/45+63/7 12/15+63/21 60/15+63/7 12/75+63/7 12/15+63/35 84/15+63/7 12/15+63/49