Add 12/35 and 15/63
12/35 + 15/63 is 61/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
12/35 = 12 × 9/35 × 9 = 108/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
15/63 = 15 × 5/63 × 5 = 75/315 - Add the two like fractions:
108/315 + 75/315 = 108 + 75/315 = 183/315 - 183/315 simplified gives 61/105
- So, 12/35 + 15/63 = 61/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+15/63 12/35+30/63 12/70+15/63 36/35+15/63 12/35+45/63 60/35+15/63 12/35+75/63 84/35+15/63