Add 72/45 and 20/30
1st number: 1 27/45, 2nd number: 20/30
72/45 + 20/30 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Add the two like fractions:
144/90 + 60/90 = 144 + 60/90 = 204/90 - 204/90 simplified gives 34/15
- So, 72/45 + 20/30 = 34/15
In mixed form: 24/15
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