Add 72/10 and 9/30
1st number: 7 2/10, 2nd number: 9/30
72/10 + 9/30 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
72/10 = 72 × 3/10 × 3 = 216/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Add the two like fractions:
216/30 + 9/30 = 216 + 9/30 = 225/30 - 225/30 simplified gives 15/2
- So, 72/10 + 9/30 = 15/2
In mixed form: 71/2
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