Answers

Add 27/72 and 21/75

27/72 + 21/75 is 131/200.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 75 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 72 × 25 = 1800,
   27/72 = 27 × 25/72 × 25 = 675/1800
3. Likewise, for the 2nd fraction, since 75 × 24 = 1800,
   21/75 = 21 × 24/75 × 24 = 504/1800
4. Add the two like fractions:
   675/1800 + 504/1800 = 675 + 504/1800 = 1179/1800
5. 1179/1800 simplified gives 131/200
6. So, 27/72 + 21/75 = 131/200

MathStep (Works offline)

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

Related: ⁵⁴/₇₂+²¹/₇₅ ²⁷/₇₂+⁴²/₇₅ ⁸¹/₇₂+²¹/₇₅ ²⁷/₇₂+⁶³/₇₅

Add Fractions Calculator