Add 72/20 and 6/8
1st number: 3 12/20, 2nd number: 6/8
72/20 + 6/8 is 87/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
72/20 = 72 × 2/20 × 2 = 144/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Add the two like fractions:
144/40 + 30/40 = 144 + 30/40 = 174/40 - 174/40 simplified gives 87/20
- So, 72/20 + 6/8 = 87/20
In mixed form: 47/20
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