Add 70/80 and 4/40
70/80 + 4/40 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 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 40 × 2 = 80,
4/40 = 4 × 2/40 × 2 = 8/80 - Add the two like fractions:
70/80 + 8/80 = 70 + 8/80 = 78/80 - 78/80 simplified gives 39/40
- So, 70/80 + 4/40 = 39/40
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