Answers

Subtract 4/72 from 98/30

1^st number: 3 8/30, 2^nd number: 4/72

98/30 - 4/72 is 289/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   98/30 = 98 × 12/30 × 12 = 1176/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   4/72 = 4 × 5/72 × 5 = 20/360
4. Subtract the two like fractions:
   1176/360 - 20/360 = 1176 - 20/360 = 1156/360
5. After reducing the fraction, the answer is 289/90
6. In mixed form: 319/90

MathStep (Works offline)

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

Related: ⁹⁸/₃₀-⁸/₇₂ ⁹⁸/₆₀-⁴/₇₂ ⁹⁸/₃₀-¹²/₇₂ ⁹⁸/₉₀-⁴/₇₂ ⁹⁸/₃₀-²⁰/₇₂ ⁹⁸/₃₀-²⁸/₇₂

Subtract Fractions Calculator