Add 12/63 and 35/15
1st number: 12/63, 2nd number: 2 5/15
12/63 + 35/15 is 53/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
12/63 = 12 × 5/63 × 5 = 60/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
35/15 = 35 × 21/15 × 21 = 735/315 - Add the two like fractions:
60/315 + 735/315 = 60 + 735/315 = 795/315 - 795/315 simplified gives 53/21
- So, 12/63 + 35/15 = 53/21
In mixed form: 211/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/63+35/15 12/63+70/15 12/63+35/30 36/63+35/15 12/63+35/45 60/63+35/15 12/63+35/75 84/63+35/15