Compare 90/9 and 42/7
1st number: 10 0/9, 2nd number: 6 0/7
90/9 is greater than 42/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
90/9 = 90 × 7/9 × 7 = 630/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
42/7 = 42 × 9/7 × 9 = 378/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/63 > 378/63 or 90/9 > 42/7
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