Add 28/84 and 40/10
1st number: 28/84, 2nd number: 4 0/10
28/84 + 40/10 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
40/10 = 40 × 42/10 × 42 = 1680/420 - Add the two like fractions:
140/420 + 1680/420 = 140 + 1680/420 = 1820/420 - 1820/420 simplified gives 13/3
- So, 28/84 + 40/10 = 13/3
In mixed form: 41/3
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