Compare 18/45 and 7/70
18/45 is greater than 7/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
18/45 = 18 × 14/45 × 14 = 252/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/630 > 63/630 or 18/45 > 7/70
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