Compare 42/45 and 20/8
1st number: 42/45, 2nd number: 2 4/8
42/45 is smaller than 20/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/360 < 900/360 or 42/45 < 20/8
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