Add 70/63 and 49/20
1st number: 1 7/63, 2nd number: 2 9/20
70/63 + 49/20 is 641/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
70/63 = 70 × 20/63 × 20 = 1400/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
49/20 = 49 × 63/20 × 63 = 3087/1260 - Add the two like fractions:
1400/1260 + 3087/1260 = 1400 + 3087/1260 = 4487/1260 - 4487/1260 simplified gives 641/180
- So, 70/63 + 49/20 = 641/180
In mixed form: 3101/180
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