Compare 36/21 and 40/10
1st number: 1 15/21, 2nd number: 4 0/10
36/21 is smaller than 40/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
36/21 = 36 × 10/21 × 10 = 360/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
40/10 = 40 × 21/10 × 21 = 840/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/210 < 840/210 or 36/21 < 40/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21 and 40/10 36/21 and 80/10 36/42 and 40/10 36/21 and 40/20 36/63 and 40/10 36/21 and 40/30 36/21 and 40/50 36/21 and 40/70