Add 84/63 and 1/70
1st number: 1 21/63, 2nd number: 1/70
84/63 + 1/70 is 283/210.
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,
1/70 = 1 × 9/70 × 9 = 9/630 - Add the two like fractions:
840/630 + 9/630 = 840 + 9/630 = 849/630 - 849/630 simplified gives 283/210
- So, 84/63 + 1/70 = 283/210
In mixed form: 173/210
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