Add 4/70 and 21/18
1st number: 4/70, 2nd number: 1 3/18
4/70 + 21/18 is 257/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
21/18 = 21 × 35/18 × 35 = 735/630 - Add the two like fractions:
36/630 + 735/630 = 36 + 735/630 = 771/630 - 771/630 simplified gives 257/210
- So, 4/70 + 21/18 = 257/210
In mixed form: 147/210
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