Add 70/21 and 35/36
1st number: 3 7/21, 2nd number: 35/36
70/21 + 35/36 is 155/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
70/21 = 70 × 12/21 × 12 = 840/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
35/36 = 35 × 7/36 × 7 = 245/252 - Add the two like fractions:
840/252 + 245/252 = 840 + 245/252 = 1085/252 - 1085/252 simplified gives 155/36
- So, 70/21 + 35/36 = 155/36
In mixed form: 411/36
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