Compare 9/21 and 10/8
1st number: 9/21, 2nd number: 1 2/8
921 is smaller than 108
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
921 = 9 × 821 × 8 = 72168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
108 = 10 × 218 × 21 = 210168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72168 < 210168 or 921 < 108
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