Add 80/14 and 75/45
1st number: 5 10/14, 2nd number: 1 30/45
80/14 + 75/45 is 155/21.
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,
80/14 = 80 × 45/14 × 45 = 3600/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
75/45 = 75 × 14/45 × 14 = 1050/630 - Add the two like fractions:
3600/630 + 1050/630 = 3600 + 1050/630 = 4650/630 - 4650/630 simplified gives 155/21
- So, 80/14 + 75/45 = 155/21
In mixed form: 78/21
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