Answers

Subtract 6/36 from 21/15

1^st number: 1 6/15, 2^nd number: 6/36

21/15 - 6/36 is 37/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 15 × 12 = 180,
   21/15 = 21 × 12/15 × 12 = 252/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   6/36 = 6 × 5/36 × 5 = 30/180
4. Subtract the two like fractions:
   252/180 - 30/180 = 252 - 30/180 = 222/180
5. After reducing the fraction, the answer is 37/30
6. In mixed form: 17/30

MathStep (Works offline)

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

Related: ⁴²/₁₅-⁶/₃₆ ²¹/₁₅-¹²/₃₆ ²¹/₃₀-⁶/₃₆ ²¹/₁₅-⁶/₇₂ ⁶³/₁₅-⁶/₃₆ ²¹/₁₅-¹⁸/₃₆ ²¹/₄₅-⁶/₃₆ ²¹/₁₅-³⁰/₃₆ ²¹/₇₅-⁶/₃₆ ²¹/₁₅-⁴²/₃₆

Subtract Fractions Calculator