Add 12/35 and 15/72
12/35 + 15/72 is 463/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
12/35 = 12 × 72/35 × 72 = 864/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
15/72 = 15 × 35/72 × 35 = 525/2520 - Add the two like fractions:
864/2520 + 525/2520 = 864 + 525/2520 = 1389/2520 - 1389/2520 simplified gives 463/840
- So, 12/35 + 15/72 = 463/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+15/72 12/35+30/72 12/70+15/72 36/35+15/72 12/35+45/72 60/35+15/72 12/35+75/72 84/35+15/72