Compare 28/30 and 84/40
1st number: 28/30, 2nd number: 2 4/40
28/30 is smaller than 84/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/120 < 252/120 or 28/30 < 84/40
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