Add 70/98 and 15/45
70/98 + 15/45 is 22/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
70/98 = 70 × 45/98 × 45 = 3150/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
15/45 = 15 × 98/45 × 98 = 1470/4410 - Add the two like fractions:
3150/4410 + 1470/4410 = 3150 + 1470/4410 = 4620/4410 - 4620/4410 simplified gives 22/21
- So, 70/98 + 15/45 = 22/21
In mixed form: 11/21
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