Add 45/5 and 20/80
1st number: 9 0/5, 2nd number: 20/80
45/5 + 20/80 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
45/5 = 45 × 16/5 × 16 = 720/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
720/80 + 20/80 = 720 + 20/80 = 740/80 - 740/80 simplified gives 37/4
- So, 45/5 + 20/80 = 37/4
In mixed form: 91/4
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