Add 7/35 and 28/72
7/35 + 28/72 is 53/90.
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,
7/35 = 7 × 72/35 × 72 = 504/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
28/72 = 28 × 35/72 × 35 = 980/2520 - Add the two like fractions:
504/2520 + 980/2520 = 504 + 980/2520 = 1484/2520 - 1484/2520 simplified gives 53/90
- So, 7/35 + 28/72 = 53/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35+28/72 7/35+56/72 7/70+28/72 21/35+28/72 7/35+84/72 49/35+28/72