Answers

Subtract 3/21 from 98/54

1^st number: 1 44/54, 2^nd number: 3/21

98/54 - 3/21 is 316/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 21 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   98/54 = 98 × 7/54 × 7 = 686/378
3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
   3/21 = 3 × 18/21 × 18 = 54/378
4. Subtract the two like fractions:
   686/378 - 54/378 = 686 - 54/378 = 632/378
5. After reducing the fraction, the answer is 316/189
6. In mixed form: 1127/189

MathStep (Works offline)

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

Related: ⁹⁸/₅₄-⁶/₂₁ ⁹⁸/₅₄-³/₄₂ ⁹⁸/₅₄-⁹/₂₁ ⁹⁸/₅₄-³/₆₃ ⁹⁸/₅₄-¹⁵/₂₁

Subtract Fractions Calculator