Subtract 3/80 from 21/4
1st number: 5 1/4, 2nd number: 3/80
214 - 380 is 41780.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
214 = 21 × 204 × 20 = 42080 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
380 = 3 × 180 × 1 = 380 - Subtract the two like fractions:
42080 - 380 = 420 - 380 = 41780 - In mixed form: 51780
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-3/80 21/4-6/80 21/8-3/80 63/4-3/80 21/4-9/80 21/12-3/80 21/4-15/80 21/20-3/80 21/4-21/80 21/28-3/80