Answers

Subtract 49/70 from 84/18

1^st number: 4 12/18, 2^nd number: 49/70

84/18 - 49/70 is 119/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 18 × 35 = 630,
   84/18 = 84 × 35/18 × 35 = 2940/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   49/70 = 49 × 9/70 × 9 = 441/630
4. Subtract the two like fractions:
   2940/630 - 441/630 = 2940 - 441/630 = 2499/630
5. After reducing the fraction, the answer is 119/30
6. In mixed form: 329/30

MathStep (Works offline)

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

Related: ⁸⁴/₁₈-⁹⁸/₇₀ ⁸⁴/₃₆-⁴⁹/₇₀ ⁸⁴/₅₄-⁴⁹/₇₀ ⁸⁴/₉₀-⁴⁹/₇₀

Subtract Fractions Calculator