Add 80/14 and 42/45
1st number: 5 10/14, 2nd number: 42/45
80/14 + 42/45 is 698/105.
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,
42/45 = 42 × 14/45 × 14 = 588/630 - Add the two like fractions:
3600/630 + 588/630 = 3600 + 588/630 = 4188/630 - 4188/630 simplified gives 698/105
- So, 80/14 + 42/45 = 698/105
In mixed form: 668/105
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