Add 72/20 and 12/30
1st number: 3 12/20, 2nd number: 12/30
72/20 + 12/30 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 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 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Add the two like fractions:
216/60 + 24/60 = 216 + 24/60 = 240/60 - 240/60 simplified gives 4/1
- So, 72/20 + 12/30 = 4/1
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