Compare 4/5 and 7/8
45 is smaller than 78
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
45 = 4 × 85 × 8 = 3240 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
78 = 7 × 58 × 5 = 3540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3240 < 3540 or 45 < 78
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