Add 90/80 and 20/7
1st number: 1 10/80, 2nd number: 2 6/7
90/80 + 20/7 is 223/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
90/80 = 90 × 7/80 × 7 = 630/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
20/7 = 20 × 80/7 × 80 = 1600/560 - Add the two like fractions:
630/560 + 1600/560 = 630 + 1600/560 = 2230/560 - 2230/560 simplified gives 223/56
- So, 90/80 + 20/7 = 223/56
In mixed form: 355/56
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