Add 20/70 and 45/8
1st number: 20/70, 2nd number: 5 5/8
20/70 + 45/8 is 331/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
45/8 = 45 × 35/8 × 35 = 1575/280 - Add the two like fractions:
80/280 + 1575/280 = 80 + 1575/280 = 1655/280 - 1655/280 simplified gives 331/56
- So, 20/70 + 45/8 = 331/56
In mixed form: 551/56
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