Add 21/15 and 50/7
1st number: 1 6/15, 2nd number: 7 1/7
21/15 + 50/7 is 299/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
21/15 = 21 × 7/15 × 7 = 147/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
50/7 = 50 × 15/7 × 15 = 750/105 - Add the two like fractions:
147/105 + 750/105 = 147 + 750/105 = 897/105 - 897/105 simplified gives 299/35
- So, 21/15 + 50/7 = 299/35
In mixed form: 819/35
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