Add 80/5 and 70/40
1st number: 16 0/5, 2nd number: 1 30/40
80/5 + 70/40 is 71/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
80/5 = 80 × 8/5 × 8 = 640/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Add the two like fractions:
640/40 + 70/40 = 640 + 70/40 = 710/40 - 710/40 simplified gives 71/4
- So, 80/5 + 70/40 = 71/4
In mixed form: 173/4
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