Add 18/70 and 72/9
1st number: 18/70, 2nd number: 8 0/9
18/70 + 72/9 is 289/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
18/70 = 18 × 9/70 × 9 = 162/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
72/9 = 72 × 70/9 × 70 = 5040/630 - Add the two like fractions:
162/630 + 5040/630 = 162 + 5040/630 = 5202/630 - 5202/630 simplified gives 289/35
- So, 18/70 + 72/9 = 289/35
In mixed form: 89/35
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