Add 84/70 and 21/24
1st number: 1 14/70, 2nd number: 21/24
84/70 + 21/24 is 83/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
84/70 = 84 × 12/70 × 12 = 1008/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
21/24 = 21 × 35/24 × 35 = 735/840 - Add the two like fractions:
1008/840 + 735/840 = 1008 + 735/840 = 1743/840 - 1743/840 simplified gives 83/40
- So, 84/70 + 21/24 = 83/40
In mixed form: 23/40
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