Compare 15/70 and 45/63
15/70 is smaller than 45/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
45/63 = 45 × 10/63 × 10 = 450/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/630 < 450/630 or 15/70 < 45/63
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