Add 54/16 and 21/20
1st number: 3 6/16, 2nd number: 1 1/20
54/16 + 21/20 is 177/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
21/20 = 21 × 4/20 × 4 = 84/80 - Add the two like fractions:
270/80 + 84/80 = 270 + 84/80 = 354/80 - 354/80 simplified gives 177/40
- So, 54/16 + 21/20 = 177/40
In mixed form: 417/40
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