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