Add 30/70 and 7/9
30/70 + 7/9 is 76/63.
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,
30/70 = 30 × 9/70 × 9 = 270/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
7/9 = 7 × 70/9 × 70 = 490/630 - Add the two like fractions:
270/630 + 490/630 = 270 + 490/630 = 760/630 - 760/630 simplified gives 76/63
- So, 30/70 + 7/9 = 76/63
In mixed form: 113/63
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