Add 81/80 and 8/35
1st number: 1 1/80, 2nd number: 8/35
81/80 + 8/35 is 139/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
81/80 = 81 × 7/80 × 7 = 567/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
8/35 = 8 × 16/35 × 16 = 128/560 - Add the two like fractions:
567/560 + 128/560 = 567 + 128/560 = 695/560 - 695/560 simplified gives 139/112
- So, 81/80 + 8/35 = 139/112
In mixed form: 127/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/80+16/35 81/80+8/70 81/80+24/35 81/80+40/35 81/80+56/35