Add 21/60 and 63/36
1st number: 21/60, 2nd number: 1 27/36
21/60 + 63/36 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
63/36 = 63 × 5/36 × 5 = 315/180 - Add the two like fractions:
63/180 + 315/180 = 63 + 315/180 = 378/180 - 378/180 simplified gives 21/10
- So, 21/60 + 63/36 = 21/10
In mixed form: 21/10
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