Answers

Subtract 1/84 from 84/64

1^st number: 1 20/64, 2^nd number: 1/84

84/64 - 1/84 is 437/336.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 84 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 64 × 21 = 1344,
   84/64 = 84 × 21/64 × 21 = 1764/1344
3. Likewise, for the 2nd fraction, since 84 × 16 = 1344,
   1/84 = 1 × 16/84 × 16 = 16/1344
4. Subtract the two like fractions:
   1764/1344 - 16/1344 = 1764 - 16/1344 = 1748/1344
5. After reducing the fraction, the answer is 437/336
6. In mixed form: 1101/336

MathStep (Works offline)

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

Related: ⁸⁴/₆₄-²/₈₄ ⁸⁴/₆₄-³/₈₄ ⁸⁴/₆₄-⁵/₈₄ ⁸⁴/₆₄-⁷/₈₄

Subtract Fractions Calculator