Compare 70/63 and 90/45
1st number: 1 7/63, 2nd number: 2 0/45
70/63 is smaller than 90/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
90/45 = 90 × 7/45 × 7 = 630/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/315 < 630/315 or 70/63 < 90/45
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