Add 90/50 and 90/80
1st number: 1 40/50, 2nd number: 1 10/80
90/50 + 90/80 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
90/50 = 90 × 8/50 × 8 = 720/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
90/80 = 90 × 5/80 × 5 = 450/400 - Add the two like fractions:
720/400 + 450/400 = 720 + 450/400 = 1170/400 - 1170/400 simplified gives 117/40
- So, 90/50 + 90/80 = 117/40
In mixed form: 237/40
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