Compare 84/20 and 70/45
1st number: 4 4/20, 2nd number: 1 25/45
84/20 is greater than 70/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/180 > 280/180 or 84/20 > 70/45
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