Add 72/90 and 72/30
1st number: 72/90, 2nd number: 2 12/30
72/90 + 72/30 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Add the two like fractions:
72/90 + 216/90 = 72 + 216/90 = 288/90 - 288/90 simplified gives 16/5
- So, 72/90 + 72/30 = 16/5
In mixed form: 31/5
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