Add 8/35 and 5/21
8/35 + 5/21 is 7/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
8/35 = 8 × 3/35 × 3 = 24/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
5/21 = 5 × 5/21 × 5 = 25/105 - Add the two like fractions:
24/105 + 25/105 = 24 + 25/105 = 49/105 - 49/105 simplified gives 7/15
- So, 8/35 + 5/21 = 7/15
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