Add 18/70 and 63/20
1st number: 18/70, 2nd number: 3 3/20
18/70 + 63/20 is 477/140.
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,
63/20 = 63 × 7/20 × 7 = 441/140 - Add the two like fractions:
36/140 + 441/140 = 36 + 441/140 = 477/140 - So, 18/70 + 63/20 = 477/140
In mixed form: 357/140
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