Add 36/80 and 63/90
36/80 + 63/90 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
36/80 = 36 × 9/80 × 9 = 324/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
63/90 = 63 × 8/90 × 8 = 504/720 - Add the two like fractions:
324/720 + 504/720 = 324 + 504/720 = 828/720 - 828/720 simplified gives 23/20
- So, 36/80 + 63/90 = 23/20
In mixed form: 13/20
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Related: 72/80+63/90