Add 12/35 and 7/45
12/35 + 7/45 is 157/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 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 45 × 7 = 315,
7/45 = 7 × 7/45 × 7 = 49/315 - Add the two like fractions:
108/315 + 49/315 = 108 + 49/315 = 157/315 - So, 12/35 + 7/45 = 157/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+7/45 12/35+14/45 12/70+7/45 12/35+7/90 36/35+7/45 12/35+21/45 60/35+7/45 12/35+35/45 84/35+7/45 12/35+49/45