Compare 70/90 and 4/40
70/90 is greater than 4/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 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 40 × 9 = 360,
4/40 = 4 × 9/40 × 9 = 36/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/360 > 36/360 or 70/90 > 4/40
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