Add 2/90 and 2/40
2/90 + 2/40 is 13/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
2/90 = 2 × 4/90 × 4 = 8/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
8/360 + 18/360 = 8 + 18/360 = 26/360 - 26/360 simplified gives 13/180
- So, 2/90 + 2/40 = 13/180
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