Add 15/72 and 40/9
1st number: 15/72, 2nd number: 4 4/9
15/72 + 40/9 is 335/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
15/72 = 15 × 1/72 × 1 = 15/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72 - Add the two like fractions:
15/72 + 320/72 = 15 + 320/72 = 335/72 - So, 15/72 + 40/9 = 335/72
In mixed form: 447/72
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