Add 70/63 and 30/4
1st number: 1 7/63, 2nd number: 7 2/4
70/63 + 30/4 is 155/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
70/63 = 70 × 4/63 × 4 = 280/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
30/4 = 30 × 63/4 × 63 = 1890/252 - Add the two like fractions:
280/252 + 1890/252 = 280 + 1890/252 = 2170/252 - 2170/252 simplified gives 155/18
- So, 70/63 + 30/4 = 155/18
In mixed form: 811/18
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