Add 36/3 and 21/80
1st number: 12 0/3, 2nd number: 21/80
36/3 + 21/80 is 981/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
36/3 = 36 × 80/3 × 80 = 2880/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Add the two like fractions:
2880/240 + 63/240 = 2880 + 63/240 = 2943/240 - 2943/240 simplified gives 981/80
- So, 36/3 + 21/80 = 981/80
In mixed form: 1221/80
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