Add 18/30 and 20/56
18/30 + 20/56 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
18/30 = 18 × 28/30 × 28 = 504/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Add the two like fractions:
504/840 + 300/840 = 504 + 300/840 = 804/840 - 804/840 simplified gives 67/70
- So, 18/30 + 20/56 = 67/70
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