Add 50/70 and 15/40
50/70 + 15/40 is 61/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
50/70 = 50 × 4/70 × 4 = 200/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280 - Add the two like fractions:
200/280 + 105/280 = 200 + 105/280 = 305/280 - 305/280 simplified gives 61/56
- So, 50/70 + 15/40 = 61/56
In mixed form: 15/56
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