Add 28/45 and 81/60
1st number: 28/45, 2nd number: 1 21/60
28/45 + 81/60 is 71/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Add the two like fractions:
112/180 + 243/180 = 112 + 243/180 = 355/180 - 355/180 simplified gives 71/36
- So, 28/45 + 81/60 = 71/36
In mixed form: 135/36
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