Add 84/21 and 49/70
1st number: 4 0/21, 2nd number: 49/70
84/21 + 49/70 is 47/10.
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,
84/21 = 84 × 10/21 × 10 = 840/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
49/70 = 49 × 3/70 × 3 = 147/210 - Add the two like fractions:
840/210 + 147/210 = 840 + 147/210 = 987/210 - 987/210 simplified gives 47/10
- So, 84/21 + 49/70 = 47/10
In mixed form: 47/10
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