Add 16/45 and 64/70
16/45 + 64/70 is 80/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
16/45 = 16 × 14/45 × 14 = 224/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
64/70 = 64 × 9/70 × 9 = 576/630 - Add the two like fractions:
224/630 + 576/630 = 224 + 576/630 = 800/630 - 800/630 simplified gives 80/63
- So, 16/45 + 64/70 = 80/63
In mixed form: 117/63
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