Compare 70/30 and 80/42
1st number: 2 10/30, 2nd number: 1 38/42
70/30 is greater than 80/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
80/42 = 80 × 5/42 × 5 = 400/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 490/210 > 400/210 or 70/30 > 80/42
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