Add 75/45 and 20/14
1st number: 1 30/45, 2nd number: 1 6/14
75/45 + 20/14 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
20/14 = 20 × 45/14 × 45 = 900/630 - Add the two like fractions:
1050/630 + 900/630 = 1050 + 900/630 = 1950/630 - 1950/630 simplified gives 65/21
- So, 75/45 + 20/14 = 65/21
In mixed form: 32/21
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