Add 84/70 and 28/63
1st number: 1 14/70, 2nd number: 28/63
84/70 + 28/63 is 74/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
28/63 = 28 × 10/63 × 10 = 280/630 - Add the two like fractions:
756/630 + 280/630 = 756 + 280/630 = 1036/630 - 1036/630 simplified gives 74/45
- So, 84/70 + 28/63 = 74/45
In mixed form: 129/45
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