Add 72/60 and 20/9
1st number: 1 12/60, 2nd number: 2 2/9
72/60 + 20/9 is 154/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 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 9 × 20 = 180,
20/9 = 20 × 20/9 × 20 = 400/180 - Add the two like fractions:
216/180 + 400/180 = 216 + 400/180 = 616/180 - 616/180 simplified gives 154/45
- So, 72/60 + 20/9 = 154/45
In mixed form: 319/45
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