Add 21/3 and 63/60
1st number: 7 0/3, 2nd number: 1 3/60
21/3 + 63/60 is 161/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
21/3 = 21 × 20/3 × 20 = 420/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
63/60 = 63 × 1/60 × 1 = 63/60 - Add the two like fractions:
420/60 + 63/60 = 420 + 63/60 = 483/60 - 483/60 simplified gives 161/20
- So, 21/3 + 63/60 = 161/20
In mixed form: 81/20
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