Add 12/35 and 30/63
12/35 + 30/63 is 86/105.
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,
30/63 = 30 × 5/63 × 5 = 150/315 - Add the two like fractions:
108/315 + 150/315 = 108 + 150/315 = 258/315 - 258/315 simplified gives 86/105
- So, 12/35 + 30/63 = 86/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+30/63 12/35+60/63 12/70+30/63 36/35+30/63 12/35+90/63 60/35+30/63 84/35+30/63