Add 21/36 and 70/35
1st number: 21/36, 2nd number: 2 0/35
21/36 + 70/35 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
21/36 = 21 × 35/36 × 35 = 735/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
70/35 = 70 × 36/35 × 36 = 2520/1260 - Add the two like fractions:
735/1260 + 2520/1260 = 735 + 2520/1260 = 3255/1260 - 3255/1260 simplified gives 31/12
- So, 21/36 + 70/35 = 31/12
In mixed form: 27/12
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