Add 8/21 and 56/70
8/21 + 56/70 is 124/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
8/21 = 8 × 10/21 × 10 = 80/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
56/70 = 56 × 3/70 × 3 = 168/210 - Add the two like fractions:
80/210 + 168/210 = 80 + 168/210 = 248/210 - 248/210 simplified gives 124/105
- So, 8/21 + 56/70 = 124/105
In mixed form: 119/105
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