Compare 18/70 and 15/4
1st number: 18/70, 2nd number: 3 3/4
18/70 is smaller than 15/4
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,
18/70 = 18 × 2/70 × 2 = 36/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
15/4 = 15 × 35/4 × 35 = 525/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/140 < 525/140 or 18/70 < 15/4
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