Add 42/45 and 5/70
42/45 + 5/70 is 211/210.
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,
42/45 = 42 × 14/45 × 14 = 588/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Add the two like fractions:
588/630 + 45/630 = 588 + 45/630 = 633/630 - 633/630 simplified gives 211/210
- So, 42/45 + 5/70 = 211/210
In mixed form: 11/210
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