Add 84/63 and 9/70
1st number: 1 21/63, 2nd number: 9/70
84/63 + 9/70 is 307/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
84/63 = 84 × 10/63 × 10 = 840/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Add the two like fractions:
840/630 + 81/630 = 840 + 81/630 = 921/630 - 921/630 simplified gives 307/210
- So, 84/63 + 9/70 = 307/210
In mixed form: 197/210
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