Add 2/42 and 30/80
2/42 + 30/80 is 71/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
2/42 = 2 × 40/42 × 40 = 80/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
30/80 = 30 × 21/80 × 21 = 630/1680 - Add the two like fractions:
80/1680 + 630/1680 = 80 + 630/1680 = 710/1680 - 710/1680 simplified gives 71/168
- So, 2/42 + 30/80 = 71/168
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