Compare 18/63 and 72/70
1st number: 18/63, 2nd number: 1 2/70
18/63 is smaller than 72/70
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/630 < 648/630 or 18/63 < 72/70
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