Answers

Subtract 63/7 from 72/4

1^st number: 18 0/4, 2^nd number: 9 0/7

72/4 - 63/7 is 9/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 4 × 7 = 28,
   72/4 = 72 × 7/4 × 7 = 504/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   63/7 = 63 × 4/7 × 4 = 252/28
4. Subtract the two like fractions:
   504/28 - 252/28 = 504 - 252/28 = 252/28
5. After reducing the fraction, the answer is 9/1

MathStep (Works offline)

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

Related: ⁷²/₈-⁶³/₇ ⁷²/₄-⁶³/₁₄ ⁷²/₁₂-⁶³/₇ ⁷²/₄-⁶³/₂₁ ⁷²/₂₀-⁶³/₇ ⁷²/₄-⁶³/₃₅ ⁷²/₂₈-⁶³/₇ ⁷²/₄-⁶³/₄₉

Subtract Fractions Calculator