Add 10/80 and 30/42
10/80 + 30/42 is 47/56.
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,
10/80 = 10 × 21/80 × 21 = 210/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
30/42 = 30 × 40/42 × 40 = 1200/1680 - Add the two like fractions:
210/1680 + 1200/1680 = 210 + 1200/1680 = 1410/1680 - 1410/1680 simplified gives 47/56
- So, 10/80 + 30/42 = 47/56
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