Add 15/72 and 42/9
1st number: 15/72, 2nd number: 4 6/9
15/72 + 42/9 is 39/8.
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,
42/9 = 42 × 8/9 × 8 = 336/72 - Add the two like fractions:
15/72 + 336/72 = 15 + 336/72 = 351/72 - 351/72 simplified gives 39/8
- So, 15/72 + 42/9 = 39/8
In mixed form: 47/8
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