Add 12/14 and 20/45
12/14 + 20/45 is 82/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
12/14 = 12 × 45/14 × 45 = 540/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
20/45 = 20 × 14/45 × 14 = 280/630 - Add the two like fractions:
540/630 + 280/630 = 540 + 280/630 = 820/630 - 820/630 simplified gives 82/63
- So, 12/14 + 20/45 = 82/63
In mixed form: 119/63
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