Add 7/70 and 8/60
7/70 + 8/60 is 7/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
7/70 = 7 × 6/70 × 6 = 42/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
8/60 = 8 × 7/60 × 7 = 56/420 - Add the two like fractions:
42/420 + 56/420 = 42 + 56/420 = 98/420 - 98/420 simplified gives 7/30
- So, 7/70 + 8/60 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+8/60 7/70+16/60 21/70+8/60 7/70+24/60 35/70+8/60 7/70+40/60 49/70+8/60 7/70+56/60