Add 21/5 and 72/27
1st number: 4 1/5, 2nd number: 2 18/27
21/5 + 72/27 is 103/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
21/5 = 21 × 27/5 × 27 = 567/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
72/27 = 72 × 5/27 × 5 = 360/135 - Add the two like fractions:
567/135 + 360/135 = 567 + 360/135 = 927/135 - 927/135 simplified gives 103/15
- So, 21/5 + 72/27 = 103/15
In mixed form: 613/15
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