Add 30/7 and 21/80
1st number: 4 2/7, 2nd number: 21/80
30/7 + 21/80 is 2547/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
30/7 = 30 × 80/7 × 80 = 2400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Add the two like fractions:
2400/560 + 147/560 = 2400 + 147/560 = 2547/560 - So, 30/7 + 21/80 = 2547/560
In mixed form: 4307/560
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