Add 72/8 and 84/20
1st number: 9 0/8, 2nd number: 4 4/20
72/8 + 84/20 is 66/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
84/20 = 84 × 2/20 × 2 = 168/40 - Add the two like fractions:
360/40 + 168/40 = 360 + 168/40 = 528/40 - 528/40 simplified gives 66/5
- So, 72/8 + 84/20 = 66/5
In mixed form: 131/5
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