Add 1/5 and 70/80
1/5 + 70/80 is 43/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
1/5 = 1 × 16/5 × 16 = 16/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Add the two like fractions:
16/80 + 70/80 = 16 + 70/80 = 86/80 - 86/80 simplified gives 43/40
- So, 1/5 + 70/80 = 43/40
In mixed form: 13/40
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