Add 70/75 and 4/84
70/75 + 4/84 is 103/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
4/84 = 4 × 25/84 × 25 = 100/2100 - Add the two like fractions:
1960/2100 + 100/2100 = 1960 + 100/2100 = 2060/2100 - 2060/2100 simplified gives 103/105
- So, 70/75 + 4/84 = 103/105
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