Add 80/2 and 15/45
1st number: 40 0/2, 2nd number: 15/45
80/2 + 15/45 is 121/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
80/2 = 80 × 45/2 × 45 = 3600/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
3600/90 + 30/90 = 3600 + 30/90 = 3630/90 - 3630/90 simplified gives 121/3
- So, 80/2 + 15/45 = 121/3
In mixed form: 401/3
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