Add 3/40 and 81/35
1st number: 3/40, 2nd number: 2 11/35
3/40 + 81/35 is 669/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
3/40 = 3 × 7/40 × 7 = 21/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
81/35 = 81 × 8/35 × 8 = 648/280 - Add the two like fractions:
21/280 + 648/280 = 21 + 648/280 = 669/280 - So, 3/40 + 81/35 = 669/280
In mixed form: 2109/280
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