Add 5/21 and 28/30
5/21 + 28/30 is 41/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
5/21 = 5 × 10/21 × 10 = 50/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Add the two like fractions:
50/210 + 196/210 = 50 + 196/210 = 246/210 - 246/210 simplified gives 41/35
- So, 5/21 + 28/30 = 41/35
In mixed form: 16/35
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