Add 4/80 and 90/70
1st number: 4/80, 2nd number: 1 20/70
4/80 + 90/70 is 187/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
4/80 = 4 × 7/80 × 7 = 28/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
28/560 + 720/560 = 28 + 720/560 = 748/560 - 748/560 simplified gives 187/140
- So, 4/80 + 90/70 = 187/140
In mixed form: 147/140
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