Compare 1/2 and 4/5
12 is smaller than 45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
12 = 1 × 52 × 5 = 510 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
45 = 4 × 25 × 2 = 810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 510 < 810 or 12 < 45
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