Add 15/3 and 4/7
1st number: 5 0/3, 2nd number: 4/7
153 + 47 is 397.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
153 = 15 × 73 × 7 = 10521 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
47 = 4 × 37 × 3 = 1221 - Add the two like fractions:
10521 + 1221 = 105 + 1221 = 11721 - 117/21 simplified gives 397
- So, 15/3 + 4/7 = 39/7
In mixed form: 547
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