Add 15/2 and 80/10
1st number: 7 1/2, 2nd number: 8 0/10
15/2 + 80/10 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
15/2 = 15 × 5/2 × 5 = 75/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
80/10 = 80 × 1/10 × 1 = 80/10 - Add the two like fractions:
75/10 + 80/10 = 75 + 80/10 = 155/10 - 155/10 simplified gives 31/2
- So, 15/2 + 80/10 = 31/2
In mixed form: 151/2
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