Add 72/20 and 9/10
1st number: 3 12/20, 2nd number: 9/10
72/20 + 9/10 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
9/10 = 9 × 2/10 × 2 = 18/20 - Add the two like fractions:
72/20 + 18/20 = 72 + 18/20 = 90/20 - 90/20 simplified gives 9/2
- So, 72/20 + 9/10 = 9/2
In mixed form: 41/2
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