Add 21/20 and 49/36
1st number: 1 1/20, 2nd number: 1 13/36
21/20 + 49/36 is 217/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
21/20 = 21 × 9/20 × 9 = 189/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Add the two like fractions:
189/180 + 245/180 = 189 + 245/180 = 434/180 - 434/180 simplified gives 217/90
- So, 21/20 + 49/36 = 217/90
In mixed form: 237/90
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