Add 81/28 and 6/40
1st number: 2 25/28, 2nd number: 6/40
81/28 + 6/40 is 213/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
81/28 = 81 × 10/28 × 10 = 810/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Add the two like fractions:
810/280 + 42/280 = 810 + 42/280 = 852/280 - 852/280 simplified gives 213/70
- So, 81/28 + 6/40 = 213/70
In mixed form: 33/70
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