Add 28/4 and 81/45
1st number: 7 0/4, 2nd number: 1 36/45
28/4 + 81/45 is 44/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
28/4 = 28 × 45/4 × 45 = 1260/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Add the two like fractions:
1260/180 + 324/180 = 1260 + 324/180 = 1584/180 - 1584/180 simplified gives 44/5
- So, 28/4 + 81/45 = 44/5
In mixed form: 84/5
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