Add 28/8 and 81/60
1st number: 3 4/8, 2nd number: 1 21/60
28/8 + 81/60 is 97/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
81/60 = 81 × 2/60 × 2 = 162/120 - Add the two like fractions:
420/120 + 162/120 = 420 + 162/120 = 582/120 - 582/120 simplified gives 97/20
- So, 28/8 + 81/60 = 97/20
In mixed form: 417/20
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