Add 4/90 and 4/80
4/90 + 4/80 is 17/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
4/90 = 4 × 8/90 × 8 = 32/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
4/80 = 4 × 9/80 × 9 = 36/720 - Add the two like fractions:
32/720 + 36/720 = 32 + 36/720 = 68/720 - 68/720 simplified gives 17/180
- So, 4/90 + 4/80 = 17/180
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