Add 81/30 and 14/40
1st number: 2 21/30, 2nd number: 14/40
81/30 + 14/40 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
14/40 = 14 × 3/40 × 3 = 42/120 - Add the two like fractions:
324/120 + 42/120 = 324 + 42/120 = 366/120 - 366/120 simplified gives 61/20
- So, 81/30 + 14/40 = 61/20
In mixed form: 31/20
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