Add 50/21 and 80/40
1st number: 2 8/21, 2nd number: 2 0/40
50/21 + 80/40 is 92/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 21 × 40 = 840,
50/21 = 50 × 40/21 × 40 = 2000/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
80/40 = 80 × 21/40 × 21 = 1680/840 - Add the two like fractions:
2000/840 + 1680/840 = 2000 + 1680/840 = 3680/840 - 3680/840 simplified gives 92/21
- So, 50/21 + 80/40 = 92/21
In mixed form: 48/21
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