Add 20/70 and 63/8
1st number: 20/70, 2nd number: 7 7/8
20/70 + 63/8 is 457/56.
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,
63/8 = 63 × 35/8 × 35 = 2205/280 - Add the two like fractions:
80/280 + 2205/280 = 80 + 2205/280 = 2285/280 - 2285/280 simplified gives 457/56
- So, 20/70 + 63/8 = 457/56
In mixed form: 89/56
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