Compare 72/70 and 54/45
1st number: 1 2/70, 2nd number: 1 9/45
72/70 is smaller than 54/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
54/45 = 54 × 14/45 × 14 = 756/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/630 < 756/630 or 72/70 < 54/45
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