Add 36/20 and 80/45
1st number: 1 16/20, 2nd number: 1 35/45
36/20 + 80/45 is 161/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Add the two like fractions:
324/180 + 320/180 = 324 + 320/180 = 644/180 - 644/180 simplified gives 161/45
- So, 36/20 + 80/45 = 161/45
In mixed form: 326/45
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