Add 63/36 and 7/20
1st number: 1 27/36, 2nd number: 7/20
63/36 + 7/20 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
63/36 = 63 × 5/36 × 5 = 315/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
7/20 = 7 × 9/20 × 9 = 63/180 - Add the two like fractions:
315/180 + 63/180 = 315 + 63/180 = 378/180 - 378/180 simplified gives 21/10
- So, 63/36 + 7/20 = 21/10
In mixed form: 21/10
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