Answers

Subtract 35/30 from 84/72

1^st number: 1 12/72, 2^nd number: 1 5/30

84/72 - 35/30 is 0/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   84/72 = 84 × 5/72 × 5 = 420/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   35/30 = 35 × 12/30 × 12 = 420/360
4. Subtract the two like fractions:
   420/360 - 420/360 = 420 - 420/360 = 0/360
5. The answer is 0

MathStep (Works offline)

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

Related: ⁸⁴/₇₂-⁷⁰/₃₀ ⁸⁴/₇₂-³⁵/₆₀ ⁸⁴/₇₂-³⁵/₉₀

Subtract Fractions Calculator