Add 70/9 and 90/4
1st number: 7 7/9, 2nd number: 22 2/4
70/9 + 90/4 is 545/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
90/4 = 90 × 9/4 × 9 = 810/36 - Add the two like fractions:
280/36 + 810/36 = 280 + 810/36 = 1090/36 - 1090/36 simplified gives 545/18
- So, 70/9 + 90/4 = 545/18
In mixed form: 305/18
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