Add 70/9 and 90/25
1st number: 7 7/9, 2nd number: 3 15/25
70/9 + 90/25 is 512/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
70/9 = 70 × 25/9 × 25 = 1750/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
90/25 = 90 × 9/25 × 9 = 810/225 - Add the two like fractions:
1750/225 + 810/225 = 1750 + 810/225 = 2560/225 - 2560/225 simplified gives 512/45
- So, 70/9 + 90/25 = 512/45
In mixed form: 1117/45
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