Answers

Add 7/64 and 28/90

7/64 + 28/90 is 1211/2880.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 90 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   7/64 = 7 × 45/64 × 45 = 315/2880
3. Likewise, for the 2nd fraction, since 90 × 32 = 2880,
   28/90 = 28 × 32/90 × 32 = 896/2880
4. Add the two like fractions:
   315/2880 + 896/2880 = 315 + 896/2880 = 1211/2880
5. So, 7/64 + 28/90 = 1211/2880

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ¹⁴/₆₄+²⁸/₉₀ ⁷/₆₄+⁵⁶/₉₀ ²¹/₆₄+²⁸/₉₀ ⁷/₆₄+⁸⁴/₉₀ ³⁵/₆₄+²⁸/₉₀ ⁴⁹/₆₄+²⁸/₉₀

Add Fractions Calculator