Add 72/60 and 28/90
1st number: 1 12/60, 2nd number: 28/90
72/60 + 28/90 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
72/60 = 72 × 3/60 × 3 = 216/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
28/90 = 28 × 2/90 × 2 = 56/180 - Add the two like fractions:
216/180 + 56/180 = 216 + 56/180 = 272/180 - 272/180 simplified gives 68/45
- So, 72/60 + 28/90 = 68/45
In mixed form: 123/45
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