Compare 20/70 and 3/4
20/70 is smaller than 3/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
20/70 = 20 × 2/70 × 2 = 40/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
3/4 = 3 × 35/4 × 35 = 105/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/140 < 105/140 or 20/70 < 3/4
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