Add 30/70 and 4/45
30/70 + 4/45 is 163/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
30/70 = 30 × 9/70 × 9 = 270/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
4/45 = 4 × 14/45 × 14 = 56/630 - Add the two like fractions:
270/630 + 56/630 = 270 + 56/630 = 326/630 - 326/630 simplified gives 163/315
- So, 30/70 + 4/45 = 163/315
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