Add 80/14 and 15/90
1st number: 5 10/14, 2nd number: 15/90
80/14 + 15/90 is 247/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 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 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Add the two like fractions:
3600/630 + 105/630 = 3600 + 105/630 = 3705/630 - 3705/630 simplified gives 247/42
- So, 80/14 + 15/90 = 247/42
In mixed form: 537/42
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