Add 70/4 and 30/7
1st number: 17 2/4, 2nd number: 4 2/7
70/4 + 30/7 is 305/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
70/4 = 70 × 7/4 × 7 = 490/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
30/7 = 30 × 4/7 × 4 = 120/28 - Add the two like fractions:
490/28 + 120/28 = 490 + 120/28 = 610/28 - 610/28 simplified gives 305/14
- So, 70/4 + 30/7 = 305/14
In mixed form: 2111/14
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