Add 18/56 and 9/15
18/56 + 9/15 is 129/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
9/15 = 9 × 56/15 × 56 = 504/840 - Add the two like fractions:
270/840 + 504/840 = 270 + 504/840 = 774/840 - 774/840 simplified gives 129/140
- So, 18/56 + 9/15 = 129/140
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