Add 24/70 and 7/21
24/70 + 7/21 is 71/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
24/70 = 24 × 3/70 × 3 = 72/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
7/21 = 7 × 10/21 × 10 = 70/210 - Add the two like fractions:
72/210 + 70/210 = 72 + 70/210 = 142/210 - 142/210 simplified gives 71/105
- So, 24/70 + 7/21 = 71/105
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