Add 45/12 and 80/5
1st number: 3 9/12, 2nd number: 16 0/5
45/12 + 80/5 is 79/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
80/5 = 80 × 12/5 × 12 = 960/60 - Add the two like fractions:
225/60 + 960/60 = 225 + 960/60 = 1185/60 - 1185/60 simplified gives 79/4
- So, 45/12 + 80/5 = 79/4
In mixed form: 193/4
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