Add 50/21 and 40/80
1st number: 2 8/21, 2nd number: 40/80
50/21 + 40/80 is 121/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 21 × 80 = 1680,
50/21 = 50 × 80/21 × 80 = 4000/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
40/80 = 40 × 21/80 × 21 = 840/1680 - Add the two like fractions:
4000/1680 + 840/1680 = 4000 + 840/1680 = 4840/1680 - 4840/1680 simplified gives 121/42
- So, 50/21 + 40/80 = 121/42
In mixed form: 237/42
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