Compare 5/10 and 42/49
5/10 is smaller than 42/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
5/10 = 5 × 49/10 × 49 = 245/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
42/49 = 42 × 10/49 × 10 = 420/490 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 245/490 < 420/490 or 5/10 < 42/49
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