Add 15/70 and 30/50
15/70 + 30/50 is 57/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
15/70 = 15 × 5/70 × 5 = 75/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
30/50 = 30 × 7/50 × 7 = 210/350 - Add the two like fractions:
75/350 + 210/350 = 75 + 210/350 = 285/350 - 285/350 simplified gives 57/70
- So, 15/70 + 30/50 = 57/70
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