Add 21/30 and 15/98
21/30 + 15/98 is 209/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
21/30 = 21 × 49/30 × 49 = 1029/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
15/98 = 15 × 15/98 × 15 = 225/1470 - Add the two like fractions:
1029/1470 + 225/1470 = 1029 + 225/1470 = 1254/1470 - 1254/1470 simplified gives 209/245
- So, 21/30 + 15/98 = 209/245
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