Add 8/20 and 15/45
8/20 + 15/45 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Add the two like fractions:
72/180 + 60/180 = 72 + 60/180 = 132/180 - 132/180 simplified gives 11/15
- So, 8/20 + 15/45 = 11/15
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