Add 81/40 and 70/3
1st number: 2 1/40, 2nd number: 23 1/3
81/40 + 70/3 is 3043/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
70/3 = 70 × 40/3 × 40 = 2800/120 - Add the two like fractions:
243/120 + 2800/120 = 243 + 2800/120 = 3043/120 - So, 81/40 + 70/3 = 3043/120
In mixed form: 2543/120
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