Add 15/3 and 21/60
1st number: 5 0/3, 2nd number: 21/60
15/3 + 21/60 is 107/20.
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,
15/3 = 15 × 20/3 × 20 = 300/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
300/60 + 21/60 = 300 + 21/60 = 321/60 - 321/60 simplified gives 107/20
- So, 15/3 + 21/60 = 107/20
In mixed form: 57/20
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