Add 15/50 and 30/21
1st number: 15/50, 2nd number: 1 9/21
15/50 + 30/21 is 121/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
15/50 = 15 × 21/50 × 21 = 315/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
30/21 = 30 × 50/21 × 50 = 1500/1050 - Add the two like fractions:
315/1050 + 1500/1050 = 315 + 1500/1050 = 1815/1050 - 1815/1050 simplified gives 121/70
- So, 15/50 + 30/21 = 121/70
In mixed form: 151/70
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