Add 54/60 and 21/30
54/60 + 21/30 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
54/60 = 54 × 1/60 × 1 = 54/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
21/30 = 21 × 2/30 × 2 = 42/60 - Add the two like fractions:
54/60 + 42/60 = 54 + 42/60 = 96/60 - 96/60 simplified gives 8/5
- So, 54/60 + 21/30 = 8/5
In mixed form: 13/5
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