Add 21/7 and 48/9
1st number: 3 0/7, 2nd number: 5 3/9
21/7 + 48/9 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
21/7 = 21 × 9/7 × 9 = 189/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
48/9 = 48 × 7/9 × 7 = 336/63 - Add the two like fractions:
189/63 + 336/63 = 189 + 336/63 = 525/63 - 525/63 simplified gives 25/3
- So, 21/7 + 48/9 = 25/3
In mixed form: 81/3
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