Add 72/20 and 5/3
1st number: 3 12/20, 2nd number: 1 2/3
72/20 + 5/3 is 79/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
5/3 = 5 × 20/3 × 20 = 100/60 - Add the two like fractions:
216/60 + 100/60 = 216 + 100/60 = 316/60 - 316/60 simplified gives 79/15
- So, 72/20 + 5/3 = 79/15
In mixed form: 54/15
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