Compare 21/6 and 18/70
1st number: 3 3/6, 2nd number: 18/70
21/6 is greater than 18/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 735/210 > 54/210 or 21/6 > 18/70
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