Add 15/70 and 84/9
1st number: 15/70, 2nd number: 9 3/9
15/70 + 84/9 is 401/42.
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,
15/70 = 15 × 9/70 × 9 = 135/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
84/9 = 84 × 70/9 × 70 = 5880/630 - Add the two like fractions:
135/630 + 5880/630 = 135 + 5880/630 = 6015/630 - 6015/630 simplified gives 401/42
- So, 15/70 + 84/9 = 401/42
In mixed form: 923/42
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