Add 81/36 and 4/90
1st number: 2 9/36, 2nd number: 4/90
81/36 + 4/90 is 413/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Add the two like fractions:
405/180 + 8/180 = 405 + 8/180 = 413/180 - So, 81/36 + 4/90 = 413/180
In mixed form: 253/180
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