Add 45/72 and 70/9
1st number: 45/72, 2nd number: 7 7/9
45/72 + 70/9 is 605/72.
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,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Add the two like fractions:
45/72 + 560/72 = 45 + 560/72 = 605/72 - So, 45/72 + 70/9 = 605/72
In mixed form: 829/72
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