Compare 18/6 and 42/40
1st number: 3 0/6, 2nd number: 1 2/40
18/6 is greater than 42/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
18/6 = 18 × 20/6 × 20 = 360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/120 > 126/120 or 18/6 > 42/40
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