Add 72/6 and 21/5
1st number: 12 0/6, 2nd number: 4 1/5
72/6 + 21/5 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
72/6 = 72 × 5/6 × 5 = 360/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Add the two like fractions:
360/30 + 126/30 = 360 + 126/30 = 486/30 - 486/30 simplified gives 81/5
- So, 72/6 + 21/5 = 81/5
In mixed form: 161/5
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