Add 54/80 and 42/4
1st number: 54/80, 2nd number: 10 2/4
54/80 + 42/4 is 447/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
42/4 = 42 × 20/4 × 20 = 840/80 - Add the two like fractions:
54/80 + 840/80 = 54 + 840/80 = 894/80 - 894/80 simplified gives 447/40
- So, 54/80 + 42/4 = 447/40
In mixed form: 117/40
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