Add 20/72 and 40/3
1st number: 20/72, 2nd number: 13 1/3
20/72 + 40/3 is 245/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 3 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Likewise, for the 2nd fraction, since 3 × 24 = 72,
40/3 = 40 × 24/3 × 24 = 960/72 - Add the two like fractions:
20/72 + 960/72 = 20 + 960/72 = 980/72 - 980/72 simplified gives 245/18
- So, 20/72 + 40/3 = 245/18
In mixed form: 1311/18
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