Add 50/80 and 30/42
50/80 + 30/42 is 75/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
50/80 = 50 × 21/80 × 21 = 1050/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
30/42 = 30 × 40/42 × 40 = 1200/1680 - Add the two like fractions:
1050/1680 + 1200/1680 = 1050 + 1200/1680 = 2250/1680 - 2250/1680 simplified gives 75/56
- So, 50/80 + 30/42 = 75/56
In mixed form: 119/56
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