Add 90/40 and 80/50
1st number: 2 10/40, 2nd number: 1 30/50
90/40 + 80/50 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
90/40 = 90 × 5/40 × 5 = 450/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
80/50 = 80 × 4/50 × 4 = 320/200 - Add the two like fractions:
450/200 + 320/200 = 450 + 320/200 = 770/200 - 770/200 simplified gives 77/20
- So, 90/40 + 80/50 = 77/20
In mixed form: 317/20
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Related: 90/80+80/50