Add 21/16 and 72/3
1st number: 1 5/16, 2nd number: 24 0/3
21/16 + 72/3 is 405/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 3 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
21/16 = 21 × 3/16 × 3 = 63/48 - Likewise, for the 2nd fraction, since 3 × 16 = 48,
72/3 = 72 × 16/3 × 16 = 1152/48 - Add the two like fractions:
63/48 + 1152/48 = 63 + 1152/48 = 1215/48 - 1215/48 simplified gives 405/16
- So, 21/16 + 72/3 = 405/16
In mixed form: 255/16
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