Compare 21/10 and 70/25
1st number: 2 1/10, 2nd number: 2 20/25
21/10 is smaller than 70/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
21/10 = 21 × 5/10 × 5 = 105/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
70/25 = 70 × 2/25 × 2 = 140/50 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/50 < 140/50 or 21/10 < 70/25
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