Add 7/45 and 8/70
7/45 + 8/70 is 17/63.
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,
7/45 = 7 × 14/45 × 14 = 98/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Add the two like fractions:
98/630 + 72/630 = 98 + 72/630 = 170/630 - 170/630 simplified gives 17/63
- So, 7/45 + 8/70 = 17/63
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