Add 72/90 and 7/12
72/90 + 7/12 is 83/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
7/12 = 7 × 15/12 × 15 = 105/180 - Add the two like fractions:
144/180 + 105/180 = 144 + 105/180 = 249/180 - 249/180 simplified gives 83/60
- So, 72/90 + 7/12 = 83/60
In mixed form: 123/60
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