Compare 70/75 and 21/7
1st number: 70/75, 2nd number: 3 0/7
70/75 is smaller than 21/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
70/75 = 70 × 7/75 × 7 = 490/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
21/7 = 21 × 75/7 × 75 = 1575/525 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/525 < 1575/525 or 70/75 < 21/7
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