Add 15/9 and 28/72
1st number: 1 6/9, 2nd number: 28/72
15/9 + 28/72 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
15/9 = 15 × 8/9 × 8 = 120/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
120/72 + 28/72 = 120 + 28/72 = 148/72 - 148/72 simplified gives 37/18
- So, 15/9 + 28/72 = 37/18
In mixed form: 21/18
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