Add 90/40 and 1/90
1st number: 2 10/40, 2nd number: 1/90
90/40 + 1/90 is 407/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Add the two like fractions:
810/360 + 4/360 = 810 + 4/360 = 814/360 - 814/360 simplified gives 407/180
- So, 90/40 + 1/90 = 407/180
In mixed form: 247/180
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