Add 80/90 and 45/7
1st number: 80/90, 2nd number: 6 3/7
80/90 + 45/7 is 461/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
80/90 = 80 × 7/90 × 7 = 560/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
45/7 = 45 × 90/7 × 90 = 4050/630 - Add the two like fractions:
560/630 + 4050/630 = 560 + 4050/630 = 4610/630 - 4610/630 simplified gives 461/63
- So, 80/90 + 45/7 = 461/63
In mixed form: 720/63
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