Subtract 1/36 from 42/49
42/49 - 1/36 is 209/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 49 × 36 = 1764,
42/49 = 42 × 36/49 × 36 = 1512/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
1/36 = 1 × 49/36 × 49 = 49/1764 - Subtract the two like fractions:
1512/1764 - 49/1764 = 1512 - 49/1764 = 1463/1764 - After reducing the fraction, the answer is 209/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49-1/36 42/49-2/36 42/98-1/36 42/49-1/72 42/49-3/36 42/49-5/36 42/49-7/36