Add 15/70 and 20/56
15/70 + 20/56 is 4/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
15/70 = 15 × 4/70 × 4 = 60/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
20/56 = 20 × 5/56 × 5 = 100/280 - Add the two like fractions:
60/280 + 100/280 = 60 + 100/280 = 160/280 - 160/280 simplified gives 4/7
- So, 15/70 + 20/56 = 4/7
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