Add 5/80 and 3/42
5/80 + 3/42 is 15/112.
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,
5/80 = 5 × 21/80 × 21 = 105/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
3/42 = 3 × 40/42 × 40 = 120/1680 - Add the two like fractions:
105/1680 + 120/1680 = 105 + 120/1680 = 225/1680 - 225/1680 simplified gives 15/112
- So, 5/80 + 3/42 = 15/112
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