Answers

Subtract 4/30 from 84/64

1^st number: 1 20/64, 2^nd number: 4/30

84/64 - 4/30 is 283/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 30 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 64 × 15 = 960,
   84/64 = 84 × 15/64 × 15 = 1260/960
3. Likewise, for the 2nd fraction, since 30 × 32 = 960,
   4/30 = 4 × 32/30 × 32 = 128/960
4. Subtract the two like fractions:
   1260/960 - 128/960 = 1260 - 128/960 = 1132/960
5. After reducing the fraction, the answer is 283/240
6. In mixed form: 143/240

MathStep (Works offline)

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

Related: ⁸⁴/₆₄-⁸/₃₀ ⁸⁴/₆₄-⁴/₆₀ ⁸⁴/₆₄-¹²/₃₀ ⁸⁴/₆₄-⁴/₉₀ ⁸⁴/₆₄-²⁰/₃₀ ⁸⁴/₆₄-²⁸/₃₀

Subtract Fractions Calculator