Subtract 63/40 from 1/49
1st number: 1/49, 2nd number: 1 23/40
1/49 - 63/40 is -3047/1960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
1/49 = 1 × 40/49 × 40 = 40/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
63/40 = 63 × 49/40 × 49 = 3087/1960 - Subtract the two like fractions:
40/1960 - 3087/1960 = 40 - 3087/1960 = -3047/1960
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-63/40 1/98-63/40 1/49-63/80 3/49-63/40 5/49-63/40 7/49-63/40