Add 40/14 and 20/45
1st number: 2 12/14, 2nd number: 20/45
40/14 + 20/45 is 208/63.
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,
40/14 = 40 × 45/14 × 45 = 1800/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
20/45 = 20 × 14/45 × 14 = 280/630 - Add the two like fractions:
1800/630 + 280/630 = 1800 + 280/630 = 2080/630 - 2080/630 simplified gives 208/63
- So, 40/14 + 20/45 = 208/63
In mixed form: 319/63
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