Add 70/80 and 50/9
1st number: 70/80, 2nd number: 5 5/9
70/80 + 50/9 is 463/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
70/80 = 70 × 9/80 × 9 = 630/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
50/9 = 50 × 80/9 × 80 = 4000/720 - Add the two like fractions:
630/720 + 4000/720 = 630 + 4000/720 = 4630/720 - 4630/720 simplified gives 463/72
- So, 70/80 + 50/9 = 463/72
In mixed form: 631/72
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