Add 81/36 and 70/45
1st number: 2 9/36, 2nd number: 1 25/45
81/36 + 70/45 is 137/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 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 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Add the two like fractions:
405/180 + 280/180 = 405 + 280/180 = 685/180 - 685/180 simplified gives 137/36
- So, 81/36 + 70/45 = 137/36
In mixed form: 329/36
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