Compare 70/90 and 18/8
1st number: 70/90, 2nd number: 2 2/8
70/90 is smaller than 18/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
70/90 = 70 × 4/90 × 4 = 280/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/360 < 810/360 or 70/90 < 18/8
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