Add 84/63 and 4/30
1st number: 1 21/63, 2nd number: 4/30
84/63 + 4/30 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
84/63 = 84 × 10/63 × 10 = 840/630 - Likewise, for the 2nd fraction, since 30 × 21 = 630,
4/30 = 4 × 21/30 × 21 = 84/630 - Add the two like fractions:
840/630 + 84/630 = 840 + 84/630 = 924/630 - 924/630 simplified gives 22/15
- So, 84/63 + 4/30 = 22/15
In mixed form: 17/15
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