Add 12/72 and 40/20
1st number: 12/72, 2nd number: 2 0/20
12/72 + 40/20 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
40/20 = 40 × 18/20 × 18 = 720/360 - Add the two like fractions:
60/360 + 720/360 = 60 + 720/360 = 780/360 - 780/360 simplified gives 13/6
- So, 12/72 + 40/20 = 13/6
In mixed form: 21/6
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