Add 72/20 and 28/24
1st number: 3 12/20, 2nd number: 1 4/24
72/20 + 28/24 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
72/20 = 72 × 6/20 × 6 = 432/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120 - Add the two like fractions:
432/120 + 140/120 = 432 + 140/120 = 572/120 - 572/120 simplified gives 143/30
- So, 72/20 + 28/24 = 143/30
In mixed form: 423/30
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