Add 3/8 and 21/49
3/8 + 21/49 is 45/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
3/8 = 3 × 49/8 × 49 = 147/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
21/49 = 21 × 8/49 × 8 = 168/392 - Add the two like fractions:
147/392 + 168/392 = 147 + 168/392 = 315/392 - 315/392 simplified gives 45/56
- So, 3/8 + 21/49 = 45/56
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