Add 20/24 and 70/21
1st number: 20/24, 2nd number: 3 7/21
20/24 + 70/21 is 25/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
70/21 = 70 × 8/21 × 8 = 560/168 - Add the two like fractions:
140/168 + 560/168 = 140 + 560/168 = 700/168 - 700/168 simplified gives 25/6
- So, 20/24 + 70/21 = 25/6
In mixed form: 41/6
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