Add 7/70 and 20/9
1st number: 7/70, 2nd number: 2 2/9
7/70 + 20/9 is 209/90.
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,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
20/9 = 20 × 70/9 × 70 = 1400/630 - Add the two like fractions:
63/630 + 1400/630 = 63 + 1400/630 = 1463/630 - 1463/630 simplified gives 209/90
- So, 7/70 + 20/9 = 209/90
In mixed form: 229/90
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