Compare 70/30 and 45/72
1st number: 2 10/30, 2nd number: 45/72
70/30 is greater than 45/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
70/30 = 70 × 12/30 × 12 = 840/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/360 > 225/360 or 70/30 > 45/72
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