Add 90/80 and 2/40
1st number: 1 10/80, 2nd number: 2/40
90/80 + 2/40 is 47/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
2/40 = 2 × 2/40 × 2 = 4/80 - Add the two like fractions:
90/80 + 4/80 = 90 + 4/80 = 94/80 - 94/80 simplified gives 47/40
- So, 90/80 + 2/40 = 47/40
In mixed form: 17/40
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