Add 21/90 and 49/36
1st number: 21/90, 2nd number: 1 13/36
21/90 + 49/36 is 287/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Add the two like fractions:
42/180 + 245/180 = 42 + 245/180 = 287/180 - So, 21/90 + 49/36 = 287/180
In mixed form: 1107/180
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