Add 70/80 and 6/20
70/80 + 6/20 is 47/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
6/20 = 6 × 4/20 × 4 = 24/80 - Add the two like fractions:
70/80 + 24/80 = 70 + 24/80 = 94/80 - 94/80 simplified gives 47/40
- So, 70/80 + 6/20 = 47/40
In mixed form: 17/40
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