Answers

Subtract 63/3 from 27/30

1^st number: 27/30, 2^nd number: 21 0/3

27/30 - 63/3 is -201/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 3 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 30 × 1 = 30,
   27/30 = 27 × 1/30 × 1 = 27/30
3. Likewise, for the 2nd fraction, since 3 × 10 = 30,
   63/3 = 63 × 10/3 × 10 = 630/30
4. Subtract the two like fractions:
   27/30 - 630/30 = 27 - 630/30 = -603/30
5. After reducing the fraction, the answer is -201/10

MathStep (Works offline)

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

Related: ⁵⁴/₃₀-⁶³/₃ ²⁷/₆₀-⁶³/₃ ²⁷/₃₀-⁶³/₆ ⁸¹/₃₀-⁶³/₃ ²⁷/₉₀-⁶³/₃ ²⁷/₃₀-⁶³/₉ ²⁷/₃₀-⁶³/₁₅ ²⁷/₃₀-⁶³/₂₁

Subtract Fractions Calculator