Add 21/5 and 72/60
1st number: 4 1/5, 2nd number: 1 12/60
21/5 + 72/60 is 27/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
72/60 = 72 × 1/60 × 1 = 72/60 - Add the two like fractions:
252/60 + 72/60 = 252 + 72/60 = 324/60 - 324/60 simplified gives 27/5
- So, 21/5 + 72/60 = 27/5
In mixed form: 52/5
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