Answers

Subtract 21/70 from 24/36

24/36 - 21/70 is 11/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 70 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 36 × 35 = 1260,
   24/36 = 24 × 35/36 × 35 = 840/1260
3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
   21/70 = 21 × 18/70 × 18 = 378/1260
4. Subtract the two like fractions:
   840/1260 - 378/1260 = 840 - 378/1260 = 462/1260
5. After reducing the fraction, the answer is 11/30

MathStep (Works offline)

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

Related: ⁴⁸/₃₆-²¹/₇₀ ²⁴/₃₆-⁴²/₇₀ ²⁴/₇₂-²¹/₇₀ ⁷²/₃₆-²¹/₇₀ ²⁴/₃₆-⁶³/₇₀

Subtract Fractions Calculator