Add 84/45 and 1/70
1st number: 1 39/45, 2nd number: 1/70
84/45 + 1/70 is 79/42.
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,
84/45 = 84 × 14/45 × 14 = 1176/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
1/70 = 1 × 9/70 × 9 = 9/630 - Add the two like fractions:
1176/630 + 9/630 = 1176 + 9/630 = 1185/630 - 1185/630 simplified gives 79/42
- So, 84/45 + 1/70 = 79/42
In mixed form: 137/42
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