Add 75/15 and 21/60
1st number: 5 0/15, 2nd number: 21/60
75/15 + 21/60 is 107/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
75/15 = 75 × 4/15 × 4 = 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, 75/15 + 21/60 = 107/20
In mixed form: 57/20
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