Add 70/21 and 18/24
1st number: 3 7/21, 2nd number: 18/24
70/21 + 18/24 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
70/21 = 70 × 8/21 × 8 = 560/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Add the two like fractions:
560/168 + 126/168 = 560 + 126/168 = 686/168 - 686/168 simplified gives 49/12
- So, 70/21 + 18/24 = 49/12
In mixed form: 41/12
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