Add 21/15 and 75/27
1st number: 1 6/15, 2nd number: 2 21/27
21/15 + 75/27 is 188/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
21/15 = 21 × 9/15 × 9 = 189/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
75/27 = 75 × 5/27 × 5 = 375/135 - Add the two like fractions:
189/135 + 375/135 = 189 + 375/135 = 564/135 - 564/135 simplified gives 188/45
- So, 21/15 + 75/27 = 188/45
In mixed form: 48/45
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