Add 20/70 and 18/56
20/70 + 18/56 is 17/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Add the two like fractions:
80/280 + 90/280 = 80 + 90/280 = 170/280 - 170/280 simplified gives 17/28
- So, 20/70 + 18/56 = 17/28
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