Add 63/70 and 20/9
1st number: 63/70, 2nd number: 2 2/9
63/70 + 20/9 is 281/90.
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,
63/70 = 63 × 9/70 × 9 = 567/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
20/9 = 20 × 70/9 × 70 = 1400/630 - Add the two like fractions:
567/630 + 1400/630 = 567 + 1400/630 = 1967/630 - 1967/630 simplified gives 281/90
- So, 63/70 + 20/9 = 281/90
In mixed form: 311/90
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