Add 21/20 and 1/36
1st number: 1 1/20, 2nd number: 1/36
21/20 + 1/36 is 97/90.
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,
1/36 = 1 × 5/36 × 5 = 5/180 - Add the two like fractions:
189/180 + 5/180 = 189 + 5/180 = 194/180 - 194/180 simplified gives 97/90
- So, 21/20 + 1/36 = 97/90
In mixed form: 17/90
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