Add 54/80 and 30/20
1st number: 54/80, 2nd number: 1 10/20
54/80 + 30/20 is 87/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 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 20 × 4 = 80,
30/20 = 30 × 4/20 × 4 = 120/80 - Add the two like fractions:
54/80 + 120/80 = 54 + 120/80 = 174/80 - 174/80 simplified gives 87/40
- So, 54/80 + 30/20 = 87/40
In mixed form: 27/40
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