Add 4/70 and 15/80
4/70 + 15/80 is 137/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
4/70 = 4 × 8/70 × 8 = 32/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Add the two like fractions:
32/560 + 105/560 = 32 + 105/560 = 137/560 - So, 4/70 + 15/80 = 137/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+15/80 4/70+30/80 12/70+15/80 4/70+45/80 20/70+15/80 4/70+75/80 28/70+15/80