Add 72/60 and 1/90
1st number: 1 12/60, 2nd number: 1/90
72/60 + 1/90 is 109/90.
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,
1/90 = 1 × 2/90 × 2 = 2/180 - Add the two like fractions:
216/180 + 2/180 = 216 + 2/180 = 218/180 - 218/180 simplified gives 109/90
- So, 72/60 + 1/90 = 109/90
In mixed form: 119/90
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