Add 8/20 and 3/45
8/20 + 3/45 is 7/15.
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,
3/45 = 3 × 4/45 × 4 = 12/180 - Add the two like fractions:
72/180 + 12/180 = 72 + 12/180 = 84/180 - 84/180 simplified gives 7/15
- So, 8/20 + 3/45 = 7/15
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