Add 70/49 and 63/20
1st number: 1 21/49, 2nd number: 3 3/20
70/49 + 63/20 is 641/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
70/49 = 70 × 20/49 × 20 = 1400/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
63/20 = 63 × 49/20 × 49 = 3087/980 - Add the two like fractions:
1400/980 + 3087/980 = 1400 + 3087/980 = 4487/980 - 4487/980 simplified gives 641/140
- So, 70/49 + 63/20 = 641/140
In mixed form: 481/140
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