Add 45/7 and 15/9
1st number: 6 3/7, 2nd number: 1 6/9
45/7 + 15/9 is 170/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
45/7 = 45 × 9/7 × 9 = 405/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
15/9 = 15 × 7/9 × 7 = 105/63 - Add the two like fractions:
405/63 + 105/63 = 405 + 105/63 = 510/63 - 510/63 simplified gives 170/21
- So, 45/7 + 15/9 = 170/21
In mixed form: 82/21
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