Add 80/40 and 81/30
1st number: 2 0/40, 2nd number: 2 21/30
80/40 + 81/30 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
80/40 = 80 × 3/40 × 3 = 240/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Add the two like fractions:
240/120 + 324/120 = 240 + 324/120 = 564/120 - 564/120 simplified gives 47/10
- So, 80/40 + 81/30 = 47/10
In mixed form: 47/10
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