Answers

Subtract 84/3 from 3/42

1^st number: 3/42, 2^nd number: 28 0/3

3/42 - 84/3 is -391/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 3 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   3/42 = 3 × 1/42 × 1 = 3/42
3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
   84/3 = 84 × 14/3 × 14 = 1176/42
4. Subtract the two like fractions:
   3/42 - 1176/42 = 3 - 1176/42 = -1173/42
5. After reducing the fraction, the answer is -391/14

MathStep (Works offline)

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

Related: ⁶/₄₂-⁸⁴/₃ ³/₈₄-⁸⁴/₃ ³/₄₂-⁸⁴/₆ ⁹/₄₂-⁸⁴/₃ ³/₄₂-⁸⁴/₉ ¹⁵/₄₂-⁸⁴/₃ ³/₄₂-⁸⁴/₁₅ ²¹/₄₂-⁸⁴/₃ ³/₄₂-⁸⁴/₂₁

Subtract Fractions Calculator