Add 4/9 and 70/72
4/9 + 70/72 is 17/12.
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,
4/9 = 4 × 8/9 × 8 = 32/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
32/72 + 70/72 = 32 + 70/72 = 102/72 - 102/72 simplified gives 17/12
- So, 4/9 + 70/72 = 17/12
In mixed form: 15/12
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