Add 70/42 and 21/98
1st number: 1 28/42, 2nd number: 21/98
70/42 + 21/98 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
70/42 = 70 × 7/42 × 7 = 490/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294 - Add the two like fractions:
490/294 + 63/294 = 490 + 63/294 = 553/294 - 553/294 simplified gives 79/42
- So, 70/42 + 21/98 = 79/42
In mixed form: 137/42
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