Add 18/70 and 54/20
1st number: 18/70, 2nd number: 2 14/20
18/70 + 54/20 is 207/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
18/70 = 18 × 2/70 × 2 = 36/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Add the two like fractions:
36/140 + 378/140 = 36 + 378/140 = 414/140 - 414/140 simplified gives 207/70
- So, 18/70 + 54/20 = 207/70
In mixed form: 267/70
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