Add 8/45 and 10/20
8/45 + 10/20 is 61/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
8/45 = 8 × 4/45 × 4 = 32/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Add the two like fractions:
32/180 + 90/180 = 32 + 90/180 = 122/180 - 122/180 simplified gives 61/90
- So, 8/45 + 10/20 = 61/90
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