Add 27/16 and 21/45
1st number: 1 11/16, 2nd number: 21/45
27/16 + 21/45 is 517/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
27/16 = 27 × 45/16 × 45 = 1215/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
21/45 = 21 × 16/45 × 16 = 336/720 - Add the two like fractions:
1215/720 + 336/720 = 1215 + 336/720 = 1551/720 - 1551/720 simplified gives 517/240
- So, 27/16 + 21/45 = 517/240
In mixed form: 237/240
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