Add 70/6 and 80/7
1st number: 11 4/6, 2nd number: 11 3/7
70/6 + 80/7 is 485/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
70/6 = 70 × 7/6 × 7 = 490/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
80/7 = 80 × 6/7 × 6 = 480/42 - Add the two like fractions:
490/42 + 480/42 = 490 + 480/42 = 970/42 - 970/42 simplified gives 485/21
- So, 70/6 + 80/7 = 485/21
In mixed form: 232/21
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