Add 21/70 and 70/35
1st number: 21/70, 2nd number: 2 0/35
21/70 + 70/35 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
70/35 = 70 × 2/35 × 2 = 140/70 - Add the two like fractions:
21/70 + 140/70 = 21 + 140/70 = 161/70 - 161/70 simplified gives 23/10
- So, 21/70 + 70/35 = 23/10
In mixed form: 23/10
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