Add 70/21 and 42/98
1st number: 3 7/21, 2nd number: 42/98
70/21 + 42/98 is 79/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
70/21 = 70 × 14/21 × 14 = 980/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
42/98 = 42 × 3/98 × 3 = 126/294 - Add the two like fractions:
980/294 + 126/294 = 980 + 126/294 = 1106/294 - 1106/294 simplified gives 79/21
- So, 70/21 + 42/98 = 79/21
In mixed form: 316/21
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