Add 27/2 and 21/45
1st number: 13 1/2, 2nd number: 21/45
27/2 + 21/45 is 419/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
27/2 = 27 × 45/2 × 45 = 1215/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Add the two like fractions:
1215/90 + 42/90 = 1215 + 42/90 = 1257/90 - 1257/90 simplified gives 419/30
- So, 27/2 + 21/45 = 419/30
In mixed form: 1329/30
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