Add 72/20 and 56/18
1st number: 3 12/20, 2nd number: 3 2/18
72/20 + 56/18 is 302/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
72/20 = 72 × 9/20 × 9 = 648/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
56/18 = 56 × 10/18 × 10 = 560/180 - Add the two like fractions:
648/180 + 560/180 = 648 + 560/180 = 1208/180 - 1208/180 simplified gives 302/45
- So, 72/20 + 56/18 = 302/45
In mixed form: 632/45
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